当前位置:首页 > 高考 > 数学试卷

【334349】2024年普通高等学校招生全国统一数学考试全国新课标Ⅱ卷

时间:2025-01-21 18:05:37 作者: 字数:19054字
简介:

……………○……………外……………○……………装……………○……………订……………○……………线……………○………………

学校: 姓名: 班级: 考号:



……………○……………内……………○……………装……………○……………订……………○……………线……………○………………


绝密★启用前

153583-2 2024年普通高等学校招生全国统一考试(全国新课标Ⅱ卷)2025高考试题攻略 第1辑 一年真题风标卷 数学》


学校:___________姓名:___________班级:___________考号:___________


题号

总分

得分







注意事项:

1.答题前填写好自己的姓名、班级、考号等信息

2.请将答案正确填写在答题卡上


一、选择题:本题共8小题,每小题5,40分。在每小题给出的四个选项中,只有一项是符合题目要求的。

1.已知  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=

A0       B1

C <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>       D2

2.已知命题  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |>1;命题  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,则(      )

Ap  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 都是真命题

B  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 都是真命题

Cp <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 都是真命题

D <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 都是真命题

3.已知向量  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 满足|a|=1,|a+2b|=2,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,|b|=

A <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>     B <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

C <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>    D1

4.某农业研究部门在面积相等的100块稻田上种植一种新型水稻,得到各块稻田的亩产量(单位:kg)并整理如下表

亩产量

[900950

[9501000

[10001050

[10501100

[11001150

[11501200

频数

6

12

18

30

24

10

根据表中数据,下列结论中正确的是(      )

A100块稻田亩产量的中位数小于1050kg

B100块稻田中亩产量低于1100kg的稻田所占比例超过80%

C100块稻田亩产量的极差介于200kg300kg之间

D100块稻田亩产量的平均值介于900kg1000kg之间

5.已知曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :x2+y2=16(y>0),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 上任意一点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 轴作垂线段  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为垂足,则线段  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的中点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的轨迹方程为(      )

A <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =1(y>0)    B <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =1(y>0)

C <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =1(y>0)    D <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =1(y>0)

6.设函数  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 恰有一个交点,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

A-1      B <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

C1  D2

7.已知正三棱台  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的体积为 ,, <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,则  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 与平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 所成角的正切值为     (      )

A  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> B1

C2D3

8.设函数  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的最小值为(      )

A <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>     B <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

C <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>     D1

二、选择题:本题共3小题,每小题6,18分。在每小题给出的选项中,有多项符合题目要求。全部选对的得6,部分选对的得部分分,有选错的得0分。

9.对于函数  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,下列说法正确的有(      )

Af(x)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有相同的零点

Bf(x)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有相同的最大值

Cf(x)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有相同的最小正周期

Df(x)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的图像有相同的对称轴

10.抛物线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的准线为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 上动点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的一条切线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为切点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的垂线,垂足为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 则(      )

Al  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 相切

B.当  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 三点共线时,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

C.当|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=2  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

D.满足|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |的点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有且仅有2

11.设函数  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

A.当  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >1  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有三个零点

B.当  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的极大值点

C.存在  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,使得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的对称轴

D.存在  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,使得点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的对称中心

三、填空题:本题共3小题,每小题5,15分。

12.记  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为等差数列  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的前  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 项和,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>     

13.已知  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为第一象限角  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为第三象限角  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>    <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>    <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>    <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>    <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +1,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>                .

14.在如图的4×4方格表中选4个方格,要求每行和每列均恰有一个方格被选中,则共有    种选法  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 在所有符合上述要求的选法中,选中方格的4个数之和的最大值是    

11

21

31

40

12

22

33

42

13

22

33

43

15

24

34

44

四、解答题:本题共5小题,77分。解答应写出文字说明、证明过程或演算步骤。

15.记  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的内角  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的对边分别为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,已知sin   <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> cos   <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ;

(2)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>    <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>    <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 周长  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

16(15)已知函数  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,求曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 在点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 处的切线方程;

(2)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有极小值,且极小值小于0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的取值范围  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

17(15)如图,平面四边形  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 分别满足 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 沿  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 翻折至  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,使得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)证明:  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ;

(2)求面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 与面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 所成的二面角的正弦值  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

18(17)某投篮比赛分为两个阶段,每个参赛队由两名队员组成,比赛具体规则如下:第一阶段由参赛队中一名队员投篮3,3次都未投中,则该队被淘汰,比赛成绩为0;若至少投中一次,则该队进入第二阶段,由该队的另一名队员投篮3,每次投中得5,未投中得0,该队的比赛成绩为第二阶段的得分总和  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 某参赛队由甲、乙两名队员组成,设甲每次投中的概率为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,乙每次投中的概率为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,各次投中与否相互独立  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,甲参加第一阶段比赛,求甲、乙所在队的比赛成绩不少于5分的概率;

(2)假设0<  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为使得甲、乙所在队的比赛成绩为15分的概率最大,应该由谁参加第一阶段比赛?

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为使得甲、乙所在队的比赛成绩的数学期望最大,应该由谁参加第一阶段比赛?

19(17)已知双曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :x2-y2=m(m>0),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 为常数,0<  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 按照如下方式依次构造点Pn(n=2,3,…),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 作斜率为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的直线与  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的左支交于点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 关于  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 轴的对称点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的坐标为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ;

(2)证明:数列  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 是公比为 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的等比数列;

(3)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的面积,证明:对任意正整数  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

参考答案

一、选择题:本题共8小题,每小题5,40分。在每小题给出的四个选项中,只有一项是符合题目要求的。

1. C

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> C


2. B

于命  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=0<1,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 是假命,


3. B

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |a+2b|=2,所以(|a+2b|)2=(a+2b)2=a2+4a·b+4b2=a2+2b2+4b2=1+6|b|2=4,解得|b|2= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,|b|= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,B


4. C

A, 根据数分布表可知,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以亩产量的中位数不小于  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , A 错误

B亩产量不低于  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

所以低于  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的稻田占比  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,故B错误

C,稻田亩产量的极差最大  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,最小  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,故C正确;

D,由数分布表可得,平均值为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,故D错误.

C.


5. A

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的中点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的坐标为 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 在曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :x2+y2=16(y>0),所以 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =16(y0>0).  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的坐标为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,代入 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =16(y0>0),x'2+(2y')2=16(y'>0),所以 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =1(y'>0),即点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 迹方程 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =1(y>0),A


6. D

解法一:  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1)上恰有一个交点,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1)上恰有一个零点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 又易知  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1)上的偶函数,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> D

解法二:  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =-1,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )-  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=-  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> -2,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )-  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )<0,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )(-1,1)上没有交点,A错误  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1)上没有交点,B错误  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 偶函数,且在(-1,0)单调递,(0,1)单调递  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 1>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 1>0,由函数零点存在定理可知  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,0)(0,1)上各有1个零点,即曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1)上有2个交点,C错误  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 偶函数,且在(-1,0)单调递,(0,1)单调递  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1)上只有1个交点,D正确  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> D

解法三:  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +1)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> -1,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +2  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )(-1,1)上恰有一个交点,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )-  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> -1,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )(-1,1)上恰有一个零点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=2  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=2  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=2  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> - <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )>0(-1,1)上恒成立,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )(-1,1)单调递  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (0)=0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,0),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )单调递;  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (0,1),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )单调递,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =0取得极小也是最小,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (0)=0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> -2=0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =2  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> -1<- <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,下面分析  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =-1线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )与曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )的交点情况  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =-1,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )-  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )=-  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> -2,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-1,1),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )-  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )<0,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )(-1,1)上没有交点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 选项可知,D正确  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> D


7. B 

正三棱台  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的高  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 正三棱台  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的体  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (SABC+  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )h=  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ×(9  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )h=  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的中心分别为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,, <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,作  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 交平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 于点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,由几何体  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 正三棱台可知,点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 上,且四  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 矩形,其中  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 与平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 所成的角  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,可得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (提示:边长为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的正三角形的中心到各点的距离  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> a)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> B


8. C

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 可看作  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 在定  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 内同正同,因此两函数像与  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的交点重合

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(提示:  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 看成直线与曲线的相交问题,判断出在  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 上的交点重合),所示  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,可以将  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 看成一条直线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 可看成直线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 上的点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 到原点的距离的平方,因而可知其最小值为原点到直线的距离的平方,所以所求最小值为 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 另解:  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的最小值为 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,C


二、选择题:本题共3小题,每小题6,18分。在每小题给出的选项中,有多项符合题目要求。全部选对的得6,部分选对的得部分分,有选错的得0分。

9. BC

A,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,解得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,解得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,因此  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 无相同零点,A错误;  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的最大1,B正确;  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的最小正周期都是 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,C正确;D,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 像无相同的,D错误  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> BC


10. ABD

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,半径1,作出抛物线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 所示  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 相切,A正确  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 三点共线时,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 点坐标为(4,4),|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=4,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=1,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,B正确  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=2  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 点坐标为(1,2)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 点坐标为(1,2),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 标为(-1,2),|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=2,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 不垂直;  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 点坐标为(1,-2)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 点坐标为(-1,-2),|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=2,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 也不垂直,C错误  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> D,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的横坐标为m(m>0),  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 标为(m,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> )(m,-2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ),|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 点坐标为(m,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ),|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =0,解得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +4 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> -4 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 点坐标为(m,-2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ),|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,同理,|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +15=0,解得 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0, <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,,不符合,因此|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=|  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |的点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有且2,D正确  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ABD

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>


11. AD

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 选项,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >1  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的零点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,0<  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-∞,0)单调递,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 单调递,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 单调递,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的极大  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的极小,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有三个零点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 正确;B选项,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,易知  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 单调递,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 单调递,(0,+∞)单调递,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的极小  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 错误;C选项,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 是曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,不存在  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 使等式恒成立,故不存在  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,使得直线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 错误;D选项,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 称中心,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,整理得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,解得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以存在  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,使得点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 称中心  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 正确  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> AD


三、填空题:本题共3小题,每小题5,15分。

12. 95

等差数列  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的公差  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 解得 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>


13.  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

tan  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +1,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =-2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> < π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

ππ <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> < π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

ππ <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> < ππ <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>


14. 24 112

4个方格:1个方格,16个方格中任1,16;

2个方格,需在除去所1个方格所在行、列的方格(9)中任1,9;

3个方格,需在除去所的第1和第2个方格所在行、列的方格(4)中任1,4;

4个方格,需在除去所的第1、第2和第3个方格所在行、列的方格(1)中任1,1  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

好的4个方格无序限制,所以不同的法有 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =24().


四、解答题:本题共5小题,77分。解答应写出文字说明、证明过程或演算步骤。

15. 1 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>   (22+ <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +3 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> cos  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =2,

所以sin <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

π <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(2)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 三角形内角,sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以由正弦定理得 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以cos  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以由正弦定理,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> × <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> × <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以由正弦定理,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的周长为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> + <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =2+ <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> +3 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>


16. () <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>        (2(1,+∞)

(1)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 在点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的切线方程  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(2)f(x)=ex-ax-a3,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> R单调递,无极,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <ln  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >ln  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (-∞,ln a)单调递,(ln a,+∞)单调递,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的极小,极小值为f(ln a)=eln a-aln  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,则问题转解不等式  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,所以不等式可化  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0恒成立,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> (0,+∞)单调递  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以不等式  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0的解集(1,+∞),所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的取  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>


17. 1)见解析    (2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)明】  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> , <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,由余弦定理得

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> × <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =4,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

∵△  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 沿  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 翻折至  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(2)【解】由(1)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

Rt  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 原点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 所在直线别为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 建立如所示的空直角坐,

P(0,0,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ),F(2,0,0),D(0,3 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,0),B(4,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,0),C(3,3 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,0), <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =(-2,0,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ), <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =(-4,-2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ),

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =(-3,0,0), <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =(0,-3 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,2 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ).

平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的法向量  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,n=( <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,-1,1).

平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的法向量  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 与平面  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 所成的二面角的平面角  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

|cos  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> |=|cos<  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >|= <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

sin  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>


18. () <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>     () <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 甲      <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(1)甲参加第一段比,则该队进入第二段的概率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

第二段乙行投,乙至少投中一次的概率

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

故甲、乙所在的比不少于5分的概率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(2)()若甲、乙所在的比绩为15,第二段的3次投全中  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

当甲参加第一段比赛时,甲、乙所在的比绩为15分的概率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

当乙参加第一段比赛时,甲、乙所在的比绩为15分的概率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

应该由甲参加第一段比  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

()若甲参加第一段比,则设该队绩为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的所有可能取值为0,5,10,15,入第二段的概率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,入第二段的概率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

若乙参加第一段比,则设该队的比绩为  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

同理可得  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <0,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >0,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

应该由甲参加第一段的比  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>


19. () <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>      (2)见解析    (3)见解析    

(1)【解】因  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> :x2-y2=m(m>0),

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 且斜率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的直线方程  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 解得 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(2)明】因  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 关于  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 称点是  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 在同一条斜率  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的直线,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 并且 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 都在双曲线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

两式相减,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

①② <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

-,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

整理得 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 是公比 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的等比数列  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(3)明】因  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 有公共  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,所以若点  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 到直线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的距离相等,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的斜率存在且相等,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 是梯形,大致形如所示  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

以下:线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 的斜率相等  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,0<  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> <1  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> >  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(2)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

又因  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> - <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =9,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

(2)  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 斜率的倒数

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

=1- <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

=1- <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 斜率的倒数

 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

=1- <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> =1- <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,

因此 <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>

从而直线  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> 平行,

所以  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> = <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a> ,明完  <a href="/tags/37/" title="普通" class="c1" target="_blank">普通</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/491/" title="学校" class="c1" target="_blank">学校</a> <a href="/tags/881/" title="统一" class="c1" target="_blank">统一</a> <a href="/tags/1135/" title="招生" class="c1" target="_blank">招生</a>