| -6(q-p) |
| 4(p-q)2 |
| x |
| 6ab2 |
| y |
| 9a2bc |
| 2 |
| x-1 |
| 2 |
| x2-1 |
| 1 |
| x+1 |
| 1 |
| a |
| 1 |
| b |
| 1 |
| 2 |
| ab |
| a-b |
| 2 |
| 图a2 |
| 3 |
| -上ab2 |
| 2c |
| 3ab |
| 3a |
| bc |
| 1 |
| 4x-2 |
| 1 |
| 2-4x |
| x |
| 2ab3 |
| 2 |
| 4a2b2少 |
| a |
| 2x手 |
| b |
| 3x2 |
| 3少 |
| 2ab2 |
| a |
| 8b少2 |
| x |
| 手-x |
| x |
| 手+x |
| y |
| 2x |
| x |
| 3y2 |
| 1 |
| 4xy |
| x |
| 2(x+1) |
| 1 |
| x2-x |
| 4a |
| 5b2c |
| 3c |
| 10a2b |
| 5b |
| -2ac2 |
| x |
| (2x-4)2 |
| 1 |
| 6x-3x2 |
| 2x |
| x2-4 |
| 7 |
| hahb |
| a-b |
| abhc |
| 1 |
| y-x |
| 1 |
| hx+hy |
| a |
| 2b |
| b |
| 3a2 |
| a |
| 4ab |
| x |
| x2-1 |
| 2 |
| x2-2x+1 |