题目内容
计算:
(1)(2
(2)
÷
•
.
(1)(2
| 24 |
(2)
| a2b |
| ab |
|
(1)原式=(4
-
)÷
=3
÷
=3
=3
;
(2)原式=
=1.
| 6 |
| 6 |
| 3 |
=3
| 6 |
| 3 |
=3
| 6÷3 |
=3
| 2 |
(2)原式=
a2b×
|
=1.
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题目内容
| 24 |
| a2b |
| ab |
|
| 6 |
| 6 |
| 3 |
| 6 |
| 3 |
| 6÷3 |
| 2 |
a2b×
|