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【327933】2024年江苏省无锡市中考真题试题

时间:2025-01-20 20:44:16 作者: 字数:18554字
简介:

绝密★启用前

200645-2024年江苏省无锡市中考真题试题


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、单选题

14的倒数是(      )

A  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     B  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     C2    D  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2.在函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,自变量  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的取值范围是(      )

Ax ≠ 3    Bx3    Cx3    D  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

3.分式方程  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的解是(      )

A  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     B  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     C  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     D  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

4.一组数据:3132353735,这组数据的平均数和中位数分别是(      )

A3434    B3535    C3435    D3534

5.下列图形是中心对称图形的是(      )

A.等边三角形    B.直角三角形

C.平行四边形    D.正五边形

6.已知圆锥的底面圆半径为3,母线长为4,则圆锥的侧面积为(      )

Aπ <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     Bπ <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     Cπ <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     Dπ <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

7.《九章算术》中有一道“凫雁相逢”问题(凫:野鸭),大意如下:野鸭从南海飞到北海需要7天,大雁从北海飞到南海需要9天.如果野鸭、大雁分别从南海、北海同时起飞,经过多少天相遇?设经过  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 天相遇,则下列方程正确的是(      )

A  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     B  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     C  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     D  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

8.如图,在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,将  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 绕点A逆时针旋转得到  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 落在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 上时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的度数为(      )

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

A  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     B  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     C  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     D  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

9.如图,在菱形  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的中点,则  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的值为(      )

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

A  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     B  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     C  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>     D  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

10.已知  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的函数,若存在实数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的取值范围是  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .我们将  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 称为这个函数的“  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 级关联范围”.例如:函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,存在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,所以  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的“2级关联范围”.下列结论:

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的“1级关联范围”;

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 不是函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的“2级关联范围”;

函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 总存在“3级关联范围”;

函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 不存在“4级关联范围”.

其中正确的为(      )

A①③    B①④    C②③    D②④

二、填空题

11.分解因式:x2−9      

12.在科技创新的强力驱动下,中国高铁事业飞速发展,高铁技术已经领跑世界.截至2023年底,我国高铁营业里程达到  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .数据45000用科学记数法表示为      

13.正十二边形的内角和等于      度.

14.命题“若  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,则  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ”是      命题.(填“真”或“假”)

15.某个函数的图象关于原点对称,且当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的增大而增大.请写出一个符合上述条件的函数表达式:      

16.在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,, <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 分别是 ,, <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的中点,则  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的周长为      

17.在探究“反比例函数的图象与性质”时,小明先将直角边长为5个单位长度的等腰直角三角板  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 摆放在平面直角坐标系中,使其两条直角边  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 分别落在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 轴负半轴,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 轴正半轴上(如图所示),然后将三角板向右平移  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 个单位长度,再向下平移  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 个单位长度后,小明发现  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 两点恰好都落在函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的图象上,则  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的值为      

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

18.如图,在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,直线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 上的动点(端点除外),射线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 于点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .在射线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 上取一点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,使得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,作  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,交射线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 于点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .设  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>       ;在点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 运动的过程中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 关于  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的函数表达式为      

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

三、解答题

19.计算:

(1)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

20.(1)解方程:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2)解不等式组:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

21.如图,在矩形  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的中点,连接  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .求证:

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(1)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

22.一只不透明的袋子中装有1个白球、1个红球和1个绿球,这些球除颜色外都相同.

(1)将球搅匀,从中任意摸出1个球,摸到白球的概率是      

(2)将球搅匀,从中任意摸出1个球,记录颜色后放回、搅匀,再从中任意摸出1个球.求2次摸到的球颜色不同的概率.(请用“画树状图”或“列表”等方法写出分析过程)

23.“五谷者,万民之命,国之重宝.”夯实粮食安全根基,需要强化农业科技支撑.农业科研人员小李在试验田里种植了新品种大麦,为考察麦穗长度的分布情况,开展了一次调查研究.

【确定调查方式】

1)小李计划从试验田里抽取100个麦穗,将抽取的这100个麦穗的长度作为样本,下面的抽样调查方式合理的是      ;(只填序号)

抽取长势最好的100个麦穗的长度作为样本

抽取长势最差的100个麦穗的长度作为样本

随机抽取100个麦穗的长度作为样本

【整理分析数据】

2)小李采用合理的调查方式获得该试验田100个麦穗的长度(精确到0.1cm),并将调查所得的数据整理如下:

试验田100个麦穗长度频率分布表

长度  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

频率

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

0.04

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

0.45

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

0.30

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

0.09

合计

1

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

根据以上图表信息,解答下列问题:

频率分布表中的  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>       

请把频数分布直方图补充完整;(画图后请标注相应数据)

【作出合理估计】

3)请你估计长度不小于  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的麦穗在该试验田里所占比例为多少.

24.如图,在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(1)尺规作图:作  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的角平分线,在角平分线上确定点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,使得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ;(不写作法,保留痕迹)

(2)在(1)的条件下,若  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,则  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的长是多少?(请直接写出  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的值)

25.某校积极开展劳动教育,两次购买  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 两种型号的劳动用品,购买记录如下表:

 

A型劳动用品(件)

B型劳动用品(件)

合计金额(元)

第一次

20

25

1150

第二次

10

20

800

(1) <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 两种型号劳动用品的单价;

(2)若该校计划再次购买  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 两种型号的劳动用品共40件,其中A型劳动用品购买数量不少于10件且不多于25件.该校购买这40件劳动用品至少需要多少元?(备注:AB两种型号劳动用品的单价保持不变)

26.如图,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的直径,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 内接于  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的延长线相交于点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,且  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(1)求证:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的度数.

27.【操作观察】

如图,在四边形纸片  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

折叠四边形纸片  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,使得点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的对应点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 始终落在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 上,点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的对应点为  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,折痕与  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 分别交于点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

【解决问题】

(1)当点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 与点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 重合时,求  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的长;

(2)设直线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 与直线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 相交于点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,求  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的长.

28.已知二次函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的图象经过点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 和点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(1)求这个二次函数的表达式;

(2)若点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 都在该二次函数的图象上,试比较  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的大小,并说明理由;

(3) <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 在直线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 上,点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 在该二次函数图象上.问:在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 轴上是否存在点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,使得以  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 为顶点的四边形是正方形?若存在,请直接写出所有满足条件的点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的坐标;若不存在,请说明理由.

参考答案

一、单选题

1. A

解:4的倒数是  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

故此答案A


2. D

根据二次根式有意的条件,得

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,故此答案D.


3. A

解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

检验,当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是原分式方程的解,

故此答案A


4. C

解:这组数据的平均数是  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

这组数据从小大到大排序3132353537

一共有5个数据,中位数3位数,即35,故此答案C


5. C

解:A、等三角形,不是中心形,选项说错误,不符合意;

B、直角三角形,不是中心形,选项说错误,不符合意;

C、平行四形,是中心形,选项说法正确,符合意;

D、正五形,不是中心形,选项说错误,不符合.

故此答案C


6. B

解: πππ <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

故此答案B


7. A

解:设经过  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 天相遇,

可列方程  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,故此答案A


8. B

解:由旋的性可得出  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

故此答案B


9. A

解:延  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> E  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 长线的垂线,垂足H

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是菱形,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的中点,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

故此答案A

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


10. A

解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> yx的增大而减小,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 1;故正确,符合意;

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,当  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 轴为y  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> yx的增大而增大,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 2,故不正确,不符合意;

③∵  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 反比例函数象位于第一象限,且在第一象限内,yx的增大而减小.

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

当函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 存在3  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,整理得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 存在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 存在3,故正确,符合意;

函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 轴为  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> yx的增大而增大,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

当函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 存在4  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 4

函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 存在4,故不正确,不符合.

,正确的有①③,故此答案A


二、填空题

11. +- <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解:x2−9=x+3)(x−3


12.  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解:数据45000用科学数法表示  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


13.  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

正十二形的内角和等于  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


14.

解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是假命


15.  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (答案不唯一)

解:根据意有  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (答案不唯一).


16. 9

解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,, <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,, <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的中点,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的周  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


17. 23

解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

平移后点AB对应点分别为  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 两点恰好都落在函数  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 象上,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


18. 2  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,整理得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,整理得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,整理得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


三、解答题

19. (1)2(2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

1)解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2)解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


20. 1,() <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

1)解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2)解: ①② <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

可得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,由可得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

原不等式的解集  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


21. 见详解

1明:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 是矩形,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的中点,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2明:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


22. (1)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

1)解:袋子中一共有3个球,其中只有一个白球,

摸到白球的概率  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2)解:根据意列出表格如下:

 

绿

(白,白)

(白,

(白,绿

,白)

绿

绿

绿,白)

绿

绿绿

由表可知,一共有9种等可能的情况,2次摸到的球色不同的情况有6种,

2次摸到的球色不同的概率  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


23. 1; 20.12,频数分布直方图见详解 ; 3  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解:(1样调查方式本的取需要的是广泛性和可靠性,

样调查方式合理的是随机抽取100个麦穗的度作为样本,

故答案.

2率分布表中的  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

麦穗率分布在  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 数有  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

数分布直方图补全如下:

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

3  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

度不小于  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的麦穗在该试验田里所占比例  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


24. (1)见详解;(2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

1)解:如下  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 所求.

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2D  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 与点ED  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 与点F

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 矩形,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的平分线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 正方形,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


25. (1)A种型号劳动用品单价为20元,B种型号劳动用品单价为30;(2)该校购买这40件劳动用品至少需要1100

1)解:A种型号劳动用品x元,B种型号劳动用品y元,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

答:A种型号劳动用品20元,B种型号劳动用品30元.

2)解:设够买A种型号劳动用品a件,则够买B种型号劳动用品  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 件,

根据意可得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

设购买这40劳动用品需要W元,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> Wa的增大而减小,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> W取最大  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

购买这40劳动用品至少需要1100元.


26. (1)见详解;(2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

1明:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,如下

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 直径,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

由(1)知  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的内接四形,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> .

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


27. (1)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

1)解:如1C  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

当点  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 与点A重合,由折叠的性可得出  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 垂直平分  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> D重合,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2)如2,当点F  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,如下

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

(1)可知  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

根据折叠的性可得出,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

3,当点F  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的延长线

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

同上  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 中,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

上,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 值为  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>


28. (1)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (2)  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 时,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (3)存在,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

1)解:把  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

个二次函数的表达式  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

2)解:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 都在二次函数的象上,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

3)解:线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的函数解析式  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

线  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的函数解析式  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 正方形的边时

①∵  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

My的垂线,垂足GP  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 的垂线,垂足H

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

N标为  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> ,即  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 为顶点的四形是正方形,

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 得:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (舍去),

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

:构造  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

同理可得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (舍去),  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

:构造  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

同理可得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 得,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (舍去),  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

:构造  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

同理可得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (舍去),

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 正方形线时

:构造矩形  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> P  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 于点K

易得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

同理可得 ≌≌≌ <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 正方形,  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (舍去),  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

:构造  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

同理可得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> 代入  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

解得  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a> (舍去),  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

上:  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>  <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>

 <a href="/tags/51/" title="试题" class="c1" target="_blank">试题</a> <a href="/tags/202/" title="无锡" class="c1" target="_blank">无锡</a> <a href="/tags/558/" title="江苏" class="c1" target="_blank">江苏</a> <a href="/tags/744/" title="江苏省" class="c1" target="_blank">江苏省</a>