题目内容
-
÷
•(-
)(a>0,b>0).
1 |
b |
ab2 |
|
1 |
a |
a2b3 |
原式=-
÷
•(-
)
=-
•b
•
•(-
•ab
)
=-
•
•(-b
)
=ab.
1 |
b |
ab2 |
|
1 |
a |
a2b3 |
=-
1 |
b |
a |
| ||
b |
1 |
a |
b |
=-
a |
| ||
b |
b |
=ab.
练习册系列答案
相关题目
题目内容
1 |
b |
ab2 |
|
1 |
a |
a2b3 |
1 |
b |
ab2 |
|
1 |
a |
a2b3 |
1 |
b |
a |
| ||
b |
1 |
a |
b |
a |
| ||
b |
b |