题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-85910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-81209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-99649.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-45833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-74112.png)
解析
试题分析:当直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-99649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-85910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-45833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-99649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-99649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-43925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-28672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221838-59968.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221838-29727.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221836-81209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221838-43912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221838-86251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221838-88186.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-74112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-45833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221837-74112.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221826-94491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221826-44882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221826-90713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221826-99433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221826-80882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221827-18141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221827-55791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221826-99433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221827-54146.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221827-18141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221827-57519.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221827-23050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221827-55791.png)
(2)用正弦定理证明三角形外角平分线定理:如果在
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221828-85475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221828-40352.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221828-43092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221828-13080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221829-34778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221829-35257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221811-57977.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221811-39251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221811-54560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221811-28623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221812-94375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221811-28623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221812-73913.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221812-67020.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221813-97399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221811-57977.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221813-42678.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221813-69728.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221813-88118.png)
(1)试用
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221814-42166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221814-53685.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221811-54560.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221814-14954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221814-13983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221807-38985.png)
A.7 | B.8 | C.9 | D.10 |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221803-35436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221803-79930.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221754-92497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221754-13021.png)
(1)求椭圆C的方程;
(2)已知直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221754-68400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221754-97126.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025221755-99223.png)
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