题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234109-35639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-51318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-87575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-13274.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-63047.png)
解析
试题分析:由题意得:
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-36208.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-87575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-51318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234111-36311.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234111-22539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234111-88453.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-13274.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234110-63047.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234054-18247.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234054-94798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234054-88767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234055-49281.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234054-18247.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234054-88767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234055-87133.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233959-36358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233959-92335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233959-30701.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233959-18659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008234000-62868.png)
A.数列![]() ![]() |
B.数列![]() ![]() |
C.数列![]() ![]() |
D.数列![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233928-80204.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233928-31549.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233928-77239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233929-96636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233842-39204.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233842-41374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233842-15315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233829-28660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233830-69174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233830-38163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233830-75038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233830-69579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191008/20191008233831-71511.png)
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