观察下列关于自然数的等式:
(1)
①
(2)
②
(3)
③
根据上述规律解决下列问题:
(1)写出第4个等式:__________
__________;
(2)写出你猜想的第
个等式(用含
的式子表示),并证明其正确性.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676ea1b90c909d2cce4624bc05d991d5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b093206b2c520d106b178b4fdcd0db13.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397afc86d7b0034c4d040c5ffad35969.png)
根据上述规律解决下列问题:
(1)写出第4个等式:__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
(2)写出你猜想的第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
更新时间:2022-09-01 10:17:29
|
【知识点】 观察、猜想与证明
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