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【349997】-学年湖南永州七年级下册期中考试数学试卷(无答案)

时间:2025-03-06 06:38:10 作者: 字数:2586字
简介:

永州九中初一下期期中测试卷

(考试时间:120分钟 满分:150分)

一、选择题(本大题共10小题,每小题4分,共40分.每小题只有一个正确选项)

  1. 下列方程中是二元一次方程的是(

  1.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> =1 B.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> C.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> =3 D.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> =2

  1. 计算 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的结果是(

A.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> B.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> C.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> D.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

3、下列式子正确的是( )

A <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> B <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

C <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> D <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

4、方程组 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的解是()

A <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> B <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> C <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> D <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

5、下列计算正确的是( )

A. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

B. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

C.  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

D. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

6.下列各式从左到右的变形中为因式分解的是( )

A <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> B. <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

C <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> D <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

7.关于xy的方程组 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的解是 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的值是(  )

  A5   B3   C2   D1

8、若等式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 成立,则 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的值为( )

A16 B.-16 C4 D.-4

9、相邻两边长为ab的长方形的周长为12,面积为8,则 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的值为( )

A组合 2
120 B48 C80 D40

  1. 图,宽为50 cm的矩形图案由10个全等的小长方形拼成其中一个小长方形的面积为(  )

A. 400 cm2 B. 500 cm2

C. 600 cm2 D. 4000 cm2

二、填空题(本大题共8小题,每小题4分共32

11请写出一个二元一次方程组 ,使它的解是 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

12、计算: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> =

13把多项式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 分解因式的结果是____________

14、若 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 互为相反数,则 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>________

15 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的计算结果是

16、已知 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> ,则 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>______

17、下列各式:① <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> ;② <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> ;③ <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> ;④ <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>

 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> .其中属于因式分解的是______,属于整式乘法的是________

18 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> =

  1. 解答题(78分)

19、解方程组(4分)

 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>




  1. 计算(12分)

 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>




 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>




21、因式分解(8分)

 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>





 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>








23、(10分)小华从家里到学校的路是一段平路和一段下坡路.假设他始终保持平路每分钟走60m,下坡路每分钟走80m,上坡路每分钟走40m,则他从家里到学校需10min,从学校到家里需15min,问小华家离学校多远?












 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>





 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a>





2612分)已知 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 中每一个数值只能取 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 中的一个,且满足 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> ,求 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/54/" title="试卷" class="c1" target="_blank">试卷</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/255/" title="学年" class="c1" target="_blank">学年</a> <a href="/tags/261/" title="考试" class="c1" target="_blank">考试</a> <a href="/tags/1041/" title="永州" class="c1" target="_blank">永州</a> 的值.



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