题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113117-85546.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113117-51889.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113117-84924.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-68192.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-46530.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-76155.gif)
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-86558.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-44845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113119-90566.gif)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-46530.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-76155.gif)
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113119-35341.gif)
同理
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113119-75430.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113118-86558.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113111-69129.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113111-99779.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113112-44912.gif)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113112-44228.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113112-52274.gif)
(2)若方程
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113112-53529.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113112-91101.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113112-52274.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113107-20668.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113108-12591.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113108-71348.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113108-60947.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113108-47814.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113108-80824.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113109-44895.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113109-65241.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113109-47470.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113109-65765.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113110-12434.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113105-33082.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113105-42723.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113105-85315.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113105-90811.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113103-68413.gif)
A
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113103-33154.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113103-25372.gif)
C
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113103-21932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113103-95861.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113104-77817.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113059-11861.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113100-74219.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113100-78933.gif)
A
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113100-13096.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113100-67313.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113100-14819.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113101-72291.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817113101-38971.gif)
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