题目内容
在
,
,
,
中,分式有( )个.
| 2x-5 |
| 3 |
| 3a(a-1) |
| a |
| 2+b |
| π |
| m+n |
| m-n |
| A.1 | B.2 | C.3 | D.4 |
| 2x-5 |
| 3 |
| 2+b |
| π |
| 3a(a-1) |
| a |
| m+n |
| m-n |
故选B.
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题目内容
| 2x-5 |
| 3 |
| 3a(a-1) |
| a |
| 2+b |
| π |
| m+n |
| m-n |
| A.1 | B.2 | C.3 | D.4 |
| 2x-5 |
| 3 |
| 2+b |
| π |
| 3a(a-1) |
| a |
| m+n |
| m-n |