题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161529-60302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161529-33184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161529-31539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161529-55873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161530-10108.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161530-13641.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
试题分析:通过求导易知
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161531-72759.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161531-97949.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161531-71648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161532-79387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161532-70458.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161532-95161.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161418-12088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161419-59031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009161419-78990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160834-29335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160834-29335.png)
A.9 | B.6 | C.3 | D.12 |
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-65199.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-47010.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160431-27461.png)
(Ⅰ)当数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-65199.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160431-91052.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-47010.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-65199.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-47010.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-65199.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160430-47010.png)
(Ⅲ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160431-99124.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160431-94060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160431-76982.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160355-72388.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160355-38551.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160355-89610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160356-88684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160356-41730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160356-37747.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160356-20548.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160304-65746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160304-76963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160304-83513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009160305-87952.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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