题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001731-21910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001731-80585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-14753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-29249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-99299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-80383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001733-89241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001731-80585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-14753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-29249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001733-55891.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001733-20401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001733-17042.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:由于不等式
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001733-55891.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001734-92413.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001734-24482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001735-64054.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001735-22715.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001731-80585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-14753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001732-29249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001734-24482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001735-24735.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001735-10003.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001718-32664.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001719-68938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001719-92689.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001719-44600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001719-30981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001720-24006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001720-88052.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001720-46552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001720-84455.png)
(2)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001721-60466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001721-84279.png)
(3)是否存在唯一正整数
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001721-12851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001721-30781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001650-35684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001651-83618.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001651-49444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001651-37023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001651-15443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001651-72250.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001652-99891.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001652-62426.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001652-80717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001652-10192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001644-44527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001644-99357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001644-60802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001644-52166.png)
A.15 | B.30 | C.31 | D.64 |
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001632-44194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001632-75375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001633-98985.png)
A.![]() | B.![]() | C.5 | D.6 |
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001618-67061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001619-78850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001619-93353.png)
(Ⅰ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001618-67061.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001619-81516.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001619-61931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001620-43402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191012/20191012001620-47862.png)
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