题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190914-70239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190914-93446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190915-31528.png)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190915-32313.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190741-96645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190742-37602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190742-74682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190742-73567.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190742-29509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190743-42786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190741-96645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190743-13627.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190743-30026.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190743-72051.png)
A.-110 | B.-90 | C.90 | D.110 |
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190509-97039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190509-87847.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190510-85939.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190510-40096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190458-56324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190458-94041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190458-89810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190458-38046.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190459-90499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190459-47265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190459-95781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190459-46306.png)
![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190041-54568.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190041-68032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190041-15363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190041-48965.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190042-30670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190042-81838.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190042-14905.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190043-59987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190042-30670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190043-23104.png)
(Ⅰ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190041-54568.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190042-81838.png)
(Ⅱ)令
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190043-26621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190044-57175.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010190044-56920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010185825-49805.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010185825-91591.png)
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