题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091129-30935.png)
可以推测
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091129-23894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091129-52004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091129-52004.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091129-94715.png)
解析
分析:根据已知中,1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
解答:解:由已知中的等式
1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
…
1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
即1
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-83487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-47416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091130-85770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091129-94715.png)
故答案为:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091129-94715.png)
点评:本题考查的知识点是归纳推理其中分析已知中的式子,分析出两个式子之间的数据变化规律是解答的关键.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091116-32897.gif)
A.29 | B.254 | C.602 | D.2004 |
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091110-22274.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091110-59279.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091103-87500.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091104-69236.gif)
(本小题10分)
证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091058-94746.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091052-53373.gif)
若
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091052-53339.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091052-45520.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091052-23203.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106091053-46195.gif)
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