题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171758-77188.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-11497.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-61463.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-88830.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-81964.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-88830.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-61463.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-73149.gif)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-11497.gif)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171800-17675.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171800-55150.gif)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171800-31383.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171800-72095.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171801-38225.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171801-69846.gif)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171801-11241.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171802-26467.gif)
∴直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-88830.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171802-90165.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171802-98422.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171802-72205.gif)
∴即所求的方程为
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171759-81964.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171749-99912.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171750-51172.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171750-39625.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171750-95623.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171750-30598.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171751-88991.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171738-86839.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171738-59579.gif)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171739-34864.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171739-46051.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171739-89815.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171739-34864.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171739-84554.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171739-89815.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171731-76048.jpg)
A.线段AB和线段AD | B.线段AB和线段CD |
C.线段AD和线段BC | D.线段AC和线段BD |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171727-12491.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171727-87331.gif)
A.2 | B.1 | C.0 | D.不存在 |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171723-97408.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171723-97408.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171723-97408.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171723-45822.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171723-97408.gif)
(2)求过点N(0,1)且与直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022171723-12404.gif)
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