计算:
,
,
,
,
,··· ···归纳各计算结果中的个位数字规律,则
的个位数字是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5200cd9dc41ac1e937942b84fd1d6478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76e11c6548ded48bed7f2b35e378ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c596e623b66c8ad8041bda270f2fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5406d934473e824a1fb9e5525f446314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22cc1e3b908d9a1fa1b5048517c75a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832038c12e06501bafa4dca43672d335.png)
更新时间:2020-10-08 07:31:52
|
相似题推荐
填空题
|
较易
(0.85)
【推荐1】如图所示,数轴被折成
,圆的周长为4个单位长度,在圆的4等分点处标上数字0,1,2,3.先让圆周上数字2所对应的点与数轴上的数3所对应的点重合,数轴固定,圆紧贴数轴沿着数轴的正方向滚动,那么数轴上的数2009将与圆周上的数字_________ 重合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://img.xkw.com/dksih/QBM/2019/3/8/2156331312119808/2158925777788928/STEM/dda832161d114057bb392625c4c9751f.png?resizew=141)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】古希腊数学家把数1,3,6,10,15,21,……叫做三角数,它有一定的规律性,若把第一个三角数记为
,第二个三角数记为
,第
个三角数记为
,计算
,
,
,···由此推算
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd1c67df2340861c72a6d273d9c48d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6f19b84484b5480ea2100165abfd81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9d2e152db0845ff23e4ea0cd00974d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab5a181478e9c2307d9a934d891621d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e712016d6831e364fa1663f484aae9d.png)
您最近一年使用:0次