题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021207-36890.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021207-81684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021207-76470.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021207-28602.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021208-89121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021208-66856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021208-34209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021208-32211.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021209-40471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021208-66856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021209-51858.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021207-36890.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021207-81684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021208-89121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021209-40471.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021126-23358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021126-15702.png)
(1)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021126-79340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021127-74608.png)
(2)判断函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021126-79340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021127-69342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021115-48696.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021115-37939.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021115-96457.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021116-97294.png)
②
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021116-38130.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021116-31614.png)
③当
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021116-23075.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021117-90506.png)
(1)判断
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021117-26715.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021117-31510.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021115-48696.png)
(2)判断函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021115-48696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021117-15061.png)
(3)当函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021115-48696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021118-49785.png)
①求
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021118-18621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021118-18328.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021020-24400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021020-60921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021002-85068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021003-24986.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021003-97380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021003-50092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205021003-60004.png)
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