下列计算正确的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2019-05-10 20:32:56
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】下列计算正确的有
;
;
;
;
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55cd9b722972ab4f5603297891c795c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e3b8a24be30465a0ec1b193bd36ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bddd8f79299613ee275af457976d1f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71d2650d463ec60795f698164417fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a96024d0c81015a67c7ca392f59879c.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】下列运算正确的是( )
A.(a3)2=a5 | B.2a+3b=5ab |
C.(﹣ab2)÷(﹣b2)=a | D.(a﹣b)2=a2﹣b2 |
您最近一年使用:0次