题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093927-84089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093927-41867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093927-39324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093927-77864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093927-18007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093927-84089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093927-41867.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:设
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093928-72576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093929-57672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093929-34604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093929-61764.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093929-63935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093930-63095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093930-22918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093930-71720.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093930-64880.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093918-92665.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093919-38872.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093919-83482.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093919-38872.png)
A.![]() | B.2 | C.![]() | D.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093911-25083.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093912-52228.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093912-22599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093912-10272.png)
A.![]() | B.2![]() | C.4 | D.12 |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093900-36529.png)
A.(![]() ![]() | B.(-![]() ![]() | C.(-![]() ![]() | D.(![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093843-28934.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093843-22028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093843-50041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093844-72919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093844-57381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093844-14219.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093845-62034.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093845-48002.png)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093844-14219.png)
(2)与圆
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093845-25593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093845-63619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093844-14219.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093846-33908.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093844-14219.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093846-79207.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093846-93411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093846-64050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103093847-52058.png)
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