题目内容
计算:(1)
=______,(2)2
•
=______,(3)3
÷2
=______.
| 1 | ||
|
| a2b |
|
| 5 |
| 10 |
(1)
=
=
;
(2)原式=2a
•
=
;
(3)原式=
×
=
.
故答案为:
,
,
.
| 1 | ||
|
| 1 | ||
3
|
| ||
| 6 |
(2)原式=2a
| b |
| ||
2
|
b
| ||
| 2 |
(3)原式=
| 3 |
| 2 |
|
3
| ||
| 4 |
故答案为:
| ||
| 6 |
b
| ||
| 2 |
3
| ||
| 4 |
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