题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-77545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-10509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-12942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-93295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-22888.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-52499.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035019-80232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-77545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-10509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035019-92868.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035020-54050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035020-83867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035018-52499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035020-10843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035020-99709.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035006-47724.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035007-56243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035007-66079.png)
(Ⅱ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035007-96471.png)
(Ⅲ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035007-50354.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018035007-54636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034947-36692.png)
(1)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034947-83471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034947-92284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034948-38971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034948-27561.png)
(2)求证: 当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034948-16959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034948-10309.png)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034948-69367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034949-94042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034949-85647.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034949-21484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034928-18816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-70560.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-88373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-41400.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034929-31722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034930-85244.png)
(3)证明: 对一切
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034930-80597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034930-53861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034920-13635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034921-17975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034921-55658.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-33957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-68347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-25869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-25586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034909-70883.png)
(Ⅰ)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034910-98946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034910-85031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018034910-17007.png)
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