计算:﹣20+(﹣2)0的结果是( )
A.﹣21 | B.﹣19 | C.0 | D.2 |
更新时间:2021-01-17 15:18:34
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相似题推荐
单选题
|
较易
(0.85)
【推荐1】已知
,
,且
,则a-b的值等于( )
![](https://img.xkw.com/dksih/QBM/2022/10/11/3085442006204416/3088147135021056/STEM/36a7acc2f0b24a7095023f4c0f1ed1f3.png?resizew=44)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78866ea635f38545bca721b65af19884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
A.-1 | B.-5 | C.-1或-5 | D.5 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】把-1,0,1,2,3这五个数,填入下列方框中,使行、列三个数的和相等,其中错误的是( )
![](https://img.xkw.com/dksih/QBM/2017/11/23/1823588445388800/1824913359740928/STEM/14630402ce5f4999b04e63f7657d0427.png?resizew=494)
![](https://img.xkw.com/dksih/QBM/2017/11/23/1823588445388800/1824913359740928/STEM/14630402ce5f4999b04e63f7657d0427.png?resizew=494)
A.A | B.B | C.C | D.D |
您最近一年使用:0次