题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030450-94271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030501-45735.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030501-35599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-12676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-39248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-17451.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-17734.png)
解析
试题分析:因为
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030501-35599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-12676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030503-98540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-12676.png)
整理得
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030503-69564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030503-41220.png)
点评:简单题,从
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030501-35599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-12676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030502-39248.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030405-35965.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030405-76569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030405-27770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030405-54816.png)
A.![]() ![]() ![]() | B.![]() |
C.公差![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030348-49988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030348-65802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030348-41072.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030349-45602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030349-43198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030349-68408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030329-91917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030329-89122.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030330-10254.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030330-79191.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030329-91917.png)
(2)求和
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030330-36265.png)
(3)设有
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030330-43062.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030331-84570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030331-16252.png)
问数列
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030331-84570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030302-98200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030302-66068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030302-62375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030302-31108.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030303-16333.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030232-71781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030243-13062.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191010/20191010030243-35556.png)
题,假命题的是( )
A.公差![]() | B.在所有![]() ![]() |
C.满足![]() ![]() | D.![]() |
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