题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170319-84067.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170319-65677.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170319-14085.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170321-40071.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-65995.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-79805.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-25810.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-59847.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-46853.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170323-53405.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170323-54783.gif)
(1) 当
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170323-48240.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170323-91203.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-79805.gif)
(2) 当
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170324-66132.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-25810.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-59847.gif)
(3) 当
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170324-11820.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170324-81693.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170323-53405.gif)
综上所述,
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-65995.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-79805.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-25810.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-59847.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170322-46853.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170323-53405.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170315-61871.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170315-49836.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170315-96140.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170310-43061.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170310-26077.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170310-68142.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170308-59868.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170309-95485.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170309-26273.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170305-13322.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170306-97679.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170306-33164.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170306-33164.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170259-55024.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170259-82586.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170300-23638.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170300-32529.gif)
(1) 求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170300-23447.gif)
(2) 判断函数
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170300-23447.gif)
(3) 求使
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170300-99336.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820170301-86252.gif)
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