题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140654-54935.png)
A.9 | B.27 | C.18 | D.54 |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140655-92314.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140515-65723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140515-79084.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140515-87529.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140516-68270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140516-78223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140516-22196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140516-31834.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140515-65723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140515-65723.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140515-79084.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140515-87529.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140306-64944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140306-28042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140306-64944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140306-96230.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140306-86713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140306-96230.png)
(2)令
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140307-83018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140307-95720.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009140307-87606.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009135657-38863.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009135658-43033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009135658-50504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009135658-47065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-14905.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-86788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-27777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-62697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134635-95478.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134635-32636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134635-79250.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-14905.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-27777.png)
(2)令
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134635-65544.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134636-44918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-86788.png)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134636-73079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134636-74712.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134634-86788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134636-19153.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134637-58328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134637-86781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134637-82195.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134544-11578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134544-37426.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134545-74055.png)
(I)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134544-11578.png)
(II)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009134545-87530.png)
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