题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015518-35174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015518-66450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015518-64147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015519-69655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015518-35174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015519-43920.png)
A.16 | B.18 | C.20 | D.22 |
答案
解析
试题分析:∵点
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015518-66450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015519-69655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015519-65283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015519-22492.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015520-43431.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015518-35174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015520-12747.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015520-37887.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015520-18561.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015444-24406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015444-97221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015444-76559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015444-25443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015445-15305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015445-97377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015445-61399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015445-77159.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015446-57780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015431-24835.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015431-22654.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015431-17363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015432-94157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015432-14623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015432-84700.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015432-88373.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015433-33037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015432-88373.png)
(2)是否存在正整数m,n(1<m<n),使得
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015433-10028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015338-61119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015338-59229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015338-61119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015233-68112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015233-84804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015234-10204.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015234-12679.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015233-68112.png)
(2)设数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015234-91008.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015234-88667.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015234-97191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015218-63141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015218-53013.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015218-63141.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015218-19131.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015219-75649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009015219-55370.png)
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