题目内容
计算:(1)
•
=______;
(2)
÷
=______.
| 2b |
| a |
| a2 |
| 4b2c |
(2)
| y2 |
| 6x |
| 1 |
| 3x2 |
(1)原式=
=
.
故答案为:
;
(2)原式=
×3x2
=
.
故答案为:
.
| 2a2b |
| 4ab2c |
| a |
| 2bc |
故答案为:
| a |
| 2bc |
(2)原式=
| y2 |
| 6x |
=
| xy2 |
| 2 |
故答案为:
| xy2 |
| 2 |
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