题目内容
约分:
=______,-
=______,
=______.
| 2a4 |
| -4ab |
| 2mn2 |
| -8m5n3 |
| x2-y2 |
| x-y |
| 2a4 |
| -4ab |
| a3 |
| 2b |
| 2mn2 |
| -8m5n3 |
| 1 |
| 4m4n |
| x2-y2 |
| x-y |
故答案为:-
| a3 |
| 2b |
| 1 |
| 4m4n |
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题目内容
| 2a4 |
| -4ab |
| 2mn2 |
| -8m5n3 |
| x2-y2 |
| x-y |
| 2a4 |
| -4ab |
| a3 |
| 2b |
| 2mn2 |
| -8m5n3 |
| 1 |
| 4m4n |
| x2-y2 |
| x-y |
| a3 |
| 2b |
| 1 |
| 4m4n |