题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094310-41402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094310-13904.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094310-11862.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094310-41402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094311-47386.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094304-35488.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094304-27928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094305-24347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094305-37020.png)
A.17 | B.16 | C.15 | D.256 |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094255-18347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094255-35570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094256-72696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094256-76888.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094256-22310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094256-36683.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094257-16150.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094255-18347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094256-76888.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094257-32855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094257-60934.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094256-22310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094257-36345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094248-81791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094248-18138.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094248-24515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094249-40027.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094249-99627.png)
A.第9项 | B.第10项 | C.第11项 | D.第12项 |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094222-39722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094223-10432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094223-86907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094223-73076.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094223-18268.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094223-12164.png)
(2)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094222-39722.png)
(3)设数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094223-72855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094223-98058.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094213-37966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094213-20136.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094213-57792.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094213-33553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094214-39109.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014094214-29503.png)
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