题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-92628.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-25920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-45860.png)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-71989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-37668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-84218.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-37362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-75194.png)
解析
试题分析:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-25920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-92628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-45860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-71989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-35226.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140243-12290.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-84218.png)
试题解析:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-37362.png)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140241-71989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-35226.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140243-12290.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140242-75194.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140227-92115.png)
(1)判断函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140227-23085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140227-42502.png)
(2)令
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140228-17024.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140228-10856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140227-42502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140228-68400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140220-80957.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140139-87663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140139-72212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140140-85556.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140110-86101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140110-27035.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140056-52212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204140056-35261.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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