题目内容
化简:①
=______; ②-
×
=______.
| 18a2b |
| 1 |
| 2 |
| 48 |
|
①原式=
=3a
;
②原式=-
=-
×4
=-2.
故答案为3a
,-2.
| 2b×(3a)2 |
=3a
| 2b |
②原式=-
| 1 |
| 2 |
48×
|
=-
| 1 |
| 2 |
=-2.
故答案为3a
| 2b |
练习册系列答案
相关题目
题目内容
| 18a2b |
| 1 |
| 2 |
| 48 |
|
| 2b×(3a)2 |
| 2b |
| 1 |
| 2 |
48×
|
| 1 |
| 2 |
| 2b |