题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024246-96150.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024246-75019.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024246-93546.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024246-10186.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024246-94752.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024246-99127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024247-94449.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024247-55905.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024247-37598.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024247-77038.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024228-28347.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024228-12194.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024229-10304.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024229-41309.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024221-64046.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024221-21627.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024221-14166.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024221-49601.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024214-70740.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024214-52176.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024215-15824.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024215-51114.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024214-52176.gif)
(
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024215-28808.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024214-70740.gif)
(2)若数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024215-54447.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024216-94151.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024216-38968.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024215-54447.gif)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024216-73245.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024216-96847.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024214-52176.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024216-63140.gif)
(8,9,10班学生做下面的题)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-55469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-36692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-55469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-81744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024152-33681.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-55469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024152-40145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024152-31611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024152-97789.png)
(1)已知数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-55469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024152-28769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-36692.png)
(2)若数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-55469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024153-99550.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024153-54125.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024153-52875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024151-55469.png)
(3)在(2)的条件下,判断
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024153-60542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024123-74799.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024123-46678.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024123-76388.png)
(1)求证:数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024124-55916.png)
(2)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024123-74799.png)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024124-62881.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024124-17927.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024124-84769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013024125-94479.png)
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