题目内容
下列各式
,
,
x+y,
,-3x2,0中,是分式的有______;是整式的有______;是有理式的有______.
| a |
| π |
| 1 |
| x+1 |
| 1 |
| 5 |
| a2-b2 |
| a-b |
| a |
| π |
| 1 |
| x+1 |
| 1 |
| 5 |
| a2-b2 |
| a-b |
| 1 |
| x+1 |
| a2-b2 |
| a-b |
| a |
| π |
| 1 |
| 5 |
| a |
| π |
| 1 |
| x+1 |
| 1 |
| 5 |
| a2-b2 |
| a-b |
故答案为:
| 1 |
| x+1 |
| a2-b2 |
| a-b |
| a |
| π |
| 1 |
| 5 |
| a |
| π |
| 1 |
| x+1 |
| 1 |
| 5 |
| a2-b2 |
| a-b |
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