题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005340-80996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005340-28050.png)
(Ⅰ)当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005341-27260.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005341-18866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005341-58203.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005341-87853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005341-89828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005342-13159.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005342-57570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005342-75395.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005342-61695.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005342-98660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005343-79736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005343-86475.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005343-45743.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005343-76571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005344-69959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005341-18866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005344-64881.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005343-86475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005344-93866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005344-76061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005344-56370.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005344-30676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005343-76571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005345-72241.png)
此时函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005341-18866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005345-91279.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005343-86475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005345-78120.png)
(II)由(I)知:
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005342-61695.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005345-48654.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005345-86611.png)
设
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005346-12830.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005346-97997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005346-54052.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005346-18170.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005346-78993.png)
又
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005347-72102.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005347-35430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005347-87860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005347-30306.png)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005337-80243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005337-48300.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005337-42475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005337-55017.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005337-77754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005338-33557.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005332-91194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005332-56022.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005332-89435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005332-78369.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005326-69301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005327-60894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005327-98039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005327-87814.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005327-50869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005327-63164.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005328-31893.gif)
A.5 | B.4 | C.3 | D.2 |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005324-24113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005324-83075.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005317-70589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005317-21491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005318-89013.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005318-56024.png)
⑴求
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005318-49812.png)
⑵判断
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005317-70589.png)
⑶如果
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005318-39439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005318-74469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005317-70589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005319-58176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818005319-45206.png)
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