题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120919-10177.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120919-18271.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120919-30076.gif)
若
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120920-97802.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120920-76508.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120920-46388.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120920-57602.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120920-36737.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120921-68752.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120921-94538.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120921-71818.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120922-14897.jpg)
设
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120920-97802.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120922-54924.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120922-56304.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120923-86193.gif)
过
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120919-10177.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120923-14139.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120923-45398.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120923-59572.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120924-35805.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120924-50246.gif)
在△
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120924-30489.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120924-53631.gif)
从而
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120925-52628.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120921-94538.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120925-55385.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120921-71818.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120906-49907.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120906-28214.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120906-79063.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120907-96937.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120907-45828.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120907-42418.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120907-61714.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120908-61607.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120908-24327.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120908-87527.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120906-79063.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120909-10787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120909-14456.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120909-77890.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120909-60144.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120907-96937.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120909-60144.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120858-78074.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120858-28143.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120859-64420.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120859-26376.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120859-24804.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120859-26376.gif)
的纵坐标为( ).
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120850-38381.gif)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120850-93280.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120850-63594.gif)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120850-72644.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120850-85256.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120850-41958.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120843-13928.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120843-86024.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120843-12132.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120843-84856.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120833-98747.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120833-41858.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120834-17298.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120834-13771.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105120834-64874.gif)
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