题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063525-40762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063525-82513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063525-40762.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:由
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063526-67126.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063526-78730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063527-61716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063527-13974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063527-43879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063527-70530.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063527-11535.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063528-26359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063528-11391.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063516-85975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063516-64650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063517-85976.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063517-19268.png)
(1)求证:数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063517-11347.png)
(2)设数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063517-35359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063505-53276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063505-62026.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063505-80853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063506-70634.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063506-80483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063506-23621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063506-94852.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063505-53276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063507-35977.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063507-52939.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063505-53276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063507-37160.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063507-31918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063454-24776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063454-35368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063454-11598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063454-97831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063455-45568.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063436-39151.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063436-53006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063436-64218.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063436-42637.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063436-72593.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063428-76598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063428-72895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-71321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-13528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-84963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-34948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-88604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063430-46959.png)
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