题目内容
在代数式-
a2b,
,
,
,
,
,
x2-
,
中,分式有______.
| 3 |
| 4 |
| 1 |
| x |
| x+y |
| 3 |
| a |
| 2 |
| a+1 |
| b |
| x+2 |
| x2-1 |
| 1 |
| 2 |
| 2 |
| 3 |
| 2b |
| 3a2 |
代数式-
a2b,
,
,
,
,
,
x2-
,
中,分式有
,
,
,
.
故答案为
,
,
,
.
| 3 |
| 4 |
| 1 |
| x |
| x+y |
| 3 |
| a |
| 2 |
| a+1 |
| b |
| x+2 |
| x2-1 |
| 1 |
| 2 |
| 2 |
| 3 |
| 2b |
| 3a2 |
| 1 |
| x |
| a+1 |
| b |
| x+2 |
| x2-1 |
| 2b |
| 3a2 |
故答案为
| 1 |
| x |
| a+1 |
| b |
| x+2 |
| x2-1 |
| 2b |
| 3a2 |
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