| 标题 (共 53 项) | 回答数 | 状态 | 提问时间 |
| 整式的加减--3ab和2ba是同类项吗? (同步习题) [七年级/数学] | 30 |
|
11-12-08 |
| 整式的加减-同类项必须满足哪几个条件? (同步习题) [七年级/数学] | 10 |
|
11-12-08 |
|
|
6 |
|
09-09-03 |
|
|
6 |
|
09-09-03 |
|
|
5 |
|
09-09-03 |
|
|
5 |
|
09-09-03 |
|
|
4 |
|
09-09-03 |
|
|
4 |
|
09-09-03 |
|
|
4 |
|
09-09-03 |
|
|
4 |
|
09-09-03 |
|
|
4 |
|
09-09-03 |
|
|
4 |
|
09-09-03 |
|
|
4 |
|
09-09-03 |
|
|
3 |
|
09-09-03 |
|
|
2 |
|
09-09-03 |
|
|
2 |
|
09-09-03 |
|
|
2 |
|
09-09-03 |
|
|
2 |
|
09-09-03 |
|
|
2 |
|
09-09-03 |
|
|
2 |
|
09-09-03 |

