题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-18033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-76631.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-18033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-39275.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-18033.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-49400.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-39275.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041022-10814.gif)
又圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-18033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-76631.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041022-47351.gif)
即
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041022-68108.gif)
所求圆心
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041022-14307.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041023-47314.gif)
所以圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041021-18033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041023-62583.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041023-42126.gif)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041003-76568.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041003-22279.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041004-48644.gif)
①求证:无论
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041004-70091.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041004-29622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041003-22279.gif)
②求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041004-29622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041003-22279.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023041004-70091.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040948-46546.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-72417.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-35134.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-61862.gif)
心
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-72417.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-96111.gif)
(Ⅰ)求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-96111.gif)
(Ⅱ)若点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040950-81994.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-96111.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040950-24364.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040949-96111.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040943-62270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040943-87350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040943-91796.png)
A.-1 | B.-2 | C.0 | D.2 |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040927-17767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040928-76488.gif)
(1) 若平面上有两点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040928-40911.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040928-90440.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040927-17767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040928-74164.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040929-59445.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040929-47220.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040929-93998.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040929-27516.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040927-17767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040929-32017.gif)
① 若
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040930-95065.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040930-87268.gif)
② 求证:直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040930-92424.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040921-25659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040921-56493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023040921-15467.png)
A.![]() | B.![]() | C.2 | D.![]() |
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