题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065703-92140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065704-88353.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065704-86281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065704-94109.png)
A.![]() | B.7 | C.6 | D.![]() |
答案
解析
试题分析:可利用基本量法,
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065705-76773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065705-25856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065705-67665.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065705-30615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065706-13696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065703-92140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065706-15119.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065653-89353.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065653-95767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065653-17808.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065654-34917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065654-77666.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065654-73299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065654-61708.png)
(3)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065654-67302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065653-95767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065655-55612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065627-48846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065627-63731.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065627-64142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-17582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-84322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-59506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-39070.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065629-81871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065629-37127.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-84322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065629-35700.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065629-35700.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065629-63165.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065629-44976.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065630-83587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065630-17915.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-17582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-39070.png)
(2)求数列{
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065630-59179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-84322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065630-30940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065630-30940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065630-96337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065628-84322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065620-91331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065620-76942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065620-85109.png)
A.8 | B.10 | C.12 | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065615-54910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065615-22112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065615-84381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065616-48598.png)
A.85 | B.225 | C.15 | D.7225 |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014065604-61836.png)
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