题目内容
下列各式中,分式有几个( )
①
;②
;③
;④
;⑤
.
①
| 2 |
| x |
| 1 |
| π+2 |
| 2x |
| 3-2x |
| x-y |
| 4 |
| 1 |
| 2y-3x |
| A.1 | B.2 | C.3 | D.4 |
| 1 |
| π+2 |
| x-y |
| 4 |
| 2 |
| x |
| 2x |
| 3-2x |
| 1 |
| 2y-3x |
故选C.
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题目内容
| 2 |
| x |
| 1 |
| π+2 |
| 2x |
| 3-2x |
| x-y |
| 4 |
| 1 |
| 2y-3x |
| A.1 | B.2 | C.3 | D.4 |
| 1 |
| π+2 |
| x-y |
| 4 |
| 2 |
| x |
| 2x |
| 3-2x |
| 1 |
| 2y-3x |