在下列各式
,
,
,﹣m2,
中,是分式的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ab47161a4a538a05dcfbb5de7553a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f99f45f49d5de6ed3e297f62aef8a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479317ceafe50a9d105adcefe8b679b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa609c1f96a1210dc17985bb455bc581.png)
A.2个 | B.3个 | C.4个 | D.1个 |
更新时间:2021-12-31 00:38:03
|
A.2个 | B.3个 | C.4个 | D.1个 |