题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162656-44218.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162656-69475.png)
A.椭圆 | B.线段 | C.无图形 | D.两条射线; |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162656-44218.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162656-69475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162656-57684.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162652-74711.png)
A.![]() | B.![]() | C.2 | D.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162642-78044.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162631-75960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-88635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-65400.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162631-75960.png)
(Ⅱ)过
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-30767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-18897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-17365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162631-75960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-60173.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-18897.png)
(Ⅲ)设椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162631-75960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162633-82047.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162633-53498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162633-51372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-17365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162633-88100.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162633-45252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162632-17365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162618-75782.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162618-99406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162618-94563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-80430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162618-99406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-82485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162618-99406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-80430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-90953.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-98607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-47926.png)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-17901.png)
(2)直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162618-99406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162618-94563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162619-51756.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162620-53986.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162620-29186.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162620-77439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162620-86191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162620-68563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162611-97007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162611-40858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023162611-27767.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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