观察下列算式,你发现了什么规律?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4743dc348edcdd58e1d10a413c76b9.png)
(1)根据你发现的规律,计算下面算式的值:![](https://img.xkw.com/dksih/QBM/2015/12/3/1573937583218688/1573937589510144/STEM/dc4d234a1a874cde95701c8af76fdce7.png?resizew=165)
__________ ;
(2)请用一个含
的算式表示这个规律:![](https://img.xkw.com/dksih/QBM/2015/12/3/1573937583218688/1573937589510144/STEM/37681e9f66c34cc1be99413f8412c182.png?resizew=167)
________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4743dc348edcdd58e1d10a413c76b9.png)
(1)根据你发现的规律,计算下面算式的值:
![](https://img.xkw.com/dksih/QBM/2015/12/3/1573937583218688/1573937589510144/STEM/dc4d234a1a874cde95701c8af76fdce7.png?resizew=165)
(2)请用一个含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1573937583218688/1573937589510144/STEM/37681e9f66c34cc1be99413f8412c182.png?resizew=167)
更新时间:2016-12-06 03:27:08
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【知识点】 用代数式表示数、图形的规律解读
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