题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130337-76359.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130337-31053.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130338-71427.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130338-16929.gif)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130337-76359.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130338-58631.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130338-48001.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130338-16929.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130337-31053.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130338-71427.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130339-96372.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130058-89595.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130058-76297.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130058-26015.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014130059-82108.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125924-52495.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125719-67375.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125719-33823.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125719-17312.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125700-83892.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125700-59165.gif)
(1)记
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125700-35981.gif)
(2)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125700-83892.gif)
(3)令
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125701-47096.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125701-18539.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125643-96519.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125644-92758.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125644-94883.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125644-20177.gif)
(1)试用
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125644-57500.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125644-64967.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125645-64723.gif)
(3)求数列的通项公式
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125644-57500.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125645-33639.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014125645-79322.gif)
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