观察下列等式
,则
的个位数字是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0fe218a89a0b4b23903d4146d8ec66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98194a00b008d2e1afd2277196af044a.png)
A.3 | B.9 | C.7 | D.1 |
更新时间:2016-12-06 04:14:05
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【推荐1】观察下列等式:
,
,
,
,
,…,根据其中规律可得
的结果的个位数字是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a8d2e5a71a80815b3454e2fe4140e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738317df2665c72d92812b7714675549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52685b77856d28af3beed027d725506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f48b3a441172a0073be2877988167b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914832f3edf43812c7ffa2c7fea02620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d56248468f98bd59a6584ce60654b.png)
A.3 | B.9 | C.7 | D.1 |
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【推荐2】下列各组数中,数值相等的是( )
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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【推荐1】如图所示,在这个数据运算程序中,若开始输入的
的值为2,结果输出的是1,返回进行第二次运算则输出的是
,…,则第2020次输出的结果是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/e9a0f523-e5ca-4b3b-b108-5d1efe89c8fa.png?resizew=303)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/e9a0f523-e5ca-4b3b-b108-5d1efe89c8fa.png?resizew=303)
A.![]() | B.![]() | C.![]() | D.![]() |
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