题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130844-38003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-93369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-22441.png)
答案
解析
试题分析:考虑数列的前
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-68981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-17533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-65906.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130846-38930.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130846-29412.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130846-26479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-68981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-17533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130845-65906.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130630-25828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130631-11044.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130632-39534.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130632-23681.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130517-82840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130518-69215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009130518-64787.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009125937-95238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009125937-28816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009125937-16789.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124743-88757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124743-38455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124743-89836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124743-88757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124744-71863.png)
若存在正整数
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124744-97157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124744-28697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124744-76830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009124744-12547.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009123946-15095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009123947-37412.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009123947-54481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009123947-21215.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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