题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025330-18736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025330-47864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025330-50392.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025331-28898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025331-10137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025331-76879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025332-28840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025332-16441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025332-85963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025332-28187.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025333-92200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025333-79160.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025333-99857.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025333-60022.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025333-85919.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025334-10725.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025334-16920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025334-85989.png)
圆心
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025334-77222.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025335-34681.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025335-25122.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025335-80803.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025335-96813.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025335-31945.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025318-19261.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025318-81945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025318-18843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025319-17867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025319-18832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025319-18832.png)
(Ⅰ)求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025319-17867.png)
(Ⅱ)若椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025319-52634.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025319-89169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025320-58499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025319-17867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025320-44250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025320-91012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025320-44250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025311-53200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025311-55147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025311-32152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025311-31473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025311-55147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025312-69761.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025312-69822.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025312-33118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025312-59999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025312-69761.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025313-71180.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025305-33622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025305-71753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025305-33622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025306-67852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025306-96438.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025253-80316.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025253-94229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025253-19031.jpg)
(1)求圆心在直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025254-91672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025254-20184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025254-74685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025254-23325.png)
(2)若过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025254-20184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025255-97599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025254-74685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025255-80945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025255-96933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025254-74685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025255-52125.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025255-97599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025248-71863.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025248-44181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025248-41470.png)
A.3 B.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025248-64772.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025249-19245.png)
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