题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230812-89968.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230812-35836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230812-83610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230812-74078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-73438.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-20372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-61166.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:线段
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-20372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-61166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-20372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-20372.png)
由已知得:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230814-64674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230815-28732.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230815-18154.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230815-65132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-20372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230813-61166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230816-59403.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230800-21515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230800-81182.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230800-34215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230801-18370.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230801-80074.png)
(2)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230801-84299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230801-56372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230802-38880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230748-59792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230749-97232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230749-74028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230749-42607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230749-93781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-19840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-50349.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-26982.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-12248.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-50349.png)
(Ⅱ)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-19840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-26982.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230751-77252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-50349.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230751-56364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230751-77090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230751-52720.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230750-50349.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230730-23169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230730-27844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230730-58248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230730-62157.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230731-70527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230731-82062.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230731-70527.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230731-70527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230731-40140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230732-49998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230732-92232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230731-70527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230725-62417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230725-23504.png)
A.![]() | B.2 | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230711-30631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230711-65609.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230711-63057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230712-76102.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230712-12157.jpg)
(Ⅰ)设直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230712-63256.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230711-63057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-26304.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230712-63256.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-21302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-26304.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-30768.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-68500.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-30768.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-68500.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230714-14901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230714-53380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230713-30768.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230714-37580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025230714-14901.png)
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