先观察下列式子的变形规律:
;
;
;
然后解答下列问题:
类比计算:
______.
归纳猜想:若n为正整数,那么猜想
______.
知识运用:运用上面的知识计算
的结果.
知识拓展:试着写出
的结果
只要结果,不用写步骤
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3566117955b8b711a1d85d4ea7c15731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da2750fdd93d98e5bee7cb8c56526c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc983e6b2fa3fa61b5a13ebe3f0a000.png)
然后解答下列问题:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa80649dbb43269d00730c4d872de8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135502e9efba60c44a277e1657849227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123195e8479ed8ca304d950f12ff3ea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e636bddc1a3d7c006ac304e96cd2551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e875ea451a30bd211462dd39fd8390a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce8411079aca57f17d3ead32798f055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
更新时间:2019-04-13 00:21:59
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】阅读与理解:
(1)观察一组有规律的等式:①
,②
,③
发现规律,第⑳个等式是 ;
(2)利用第(1)小题发现的规律计算:
;
(3)已知一组有规律的数:
,
,
,
,…,它们的和为
,试探究这组数共有几个?
(1)观察一组有规律的等式:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917e937d87a032022ada70cc86add5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61dfa259a7cfab28fe63ff7d6211b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe94ea00655c829c0962a8b1b593898.png)
(2)利用第(1)小题发现的规律计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb606500f15fbf44e3c4fb894e03e91.png)
(3)已知一组有规律的数:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee5447f1268cfd1949810ba8db48308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd658a410c59f1c65fcaf9eb00ad247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1afaa57179cb53971da95879c9ee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f7164ddeb25cbf570e08547b12abc7.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】有下列单项式:-x,
,
,
,……
(1)写出第101个,102个单项式;
(2)写出第n个,第
个单项式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2564899e9403e844ca5fcc5aa82a61cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4acb8b1d533e1749b072eba0150676bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97de3ffaf728b87f7f06efb72b6b009f.png)
(1)写出第101个,102个单项式;
(2)写出第n个,第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aceb113626093e0e431f30fa45c2c444.png)
您最近一年使用:0次