下列各式:①
;②
;③
;④
;⑤
,其中计算正确的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111848feaac6190bc8d4f98c56aaa93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19085f2f3fa5264f5ec1a9fcf7e30330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba92522ec440429bc91ed5a359a9f8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff58e47500ee4ed5b74453118d94980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c256c5c9e5b75bb4025d3cad9145183.png)
A.1个 | B.2个 | C.3个 | D.4个 |
更新时间:2023-12-28 11:03:36
|
【知识点】 数与式
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】.二次根式
有意义,则x应满足的条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d8579ad0a974c4ad439182b950e565.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次