题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030729-91168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030729-11378.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030729-72922.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:根据
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030731-79707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030734-13533.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030724-32000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030724-60585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030718-52179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030719-98691.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030719-96890.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030718-52179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030719-85335.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030704-52843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030704-61338.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030704-52843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030704-16096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030704-20380.png)
(2)记
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030705-78282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030705-53577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030704-16096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030705-20336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030647-78339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030648-32133.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191015/20191015030640-37079.png)
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