题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091704-88884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091704-13166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091705-44189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091705-76975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091705-97439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091706-73086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091706-56851.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091706-43360.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091706-66882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091706-78284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091705-97439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091707-18158.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091652-92794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091652-60642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091652-52525.png)
(I)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091652-92794.png)
(II)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091652-38894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091653-14738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091646-47944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091646-81659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091646-70073.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091647-31248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091640-97172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091640-13139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091640-97172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091640-12336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091641-37215.png)
A.![]() | B.5 或![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091631-76772.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091631-98329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091631-77886.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091632-38289.png)
A.![]() | B.7 | C.6 | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091624-46566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091624-55255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091625-79777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091625-51221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014091625-51487.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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