题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083619-67997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083619-52757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083619-29228.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083619-76135.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083620-24173.png)
A.8 | B.9 | C.15 | D.16 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083620-25247.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083609-16880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083609-47923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083609-69095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083610-72749.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083610-47477.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083610-64830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083610-56912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083610-47477.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083611-61962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083611-88563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083611-22957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083611-34464.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083611-33023.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083610-56912.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083612-32005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083610-64830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083611-22957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083612-66672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083602-32015.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083602-73975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083602-59377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083603-10608.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083602-32015.png)
(2)对一切
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083603-57214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083603-86324.png)
(3)记数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083603-46754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083602-73975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083604-69033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083604-88242.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083604-72532.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083604-84973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083550-75679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083550-92860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083550-50405.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083551-82737.png)
A.14 | B.![]() | C.18 | D.20 |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083544-87375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083544-32373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083545-95112.png)
(1)求通项
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083545-57512.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083544-32373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083535-16641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083535-53719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083535-77538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083535-16641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014083535-80962.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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