| x |
| 2ab3 |
| 2 |
| 4a2b2少 |
| a |
| 2x手 |
| b |
| 3x2 |
| 3少 |
| 2ab2 |
| a |
| 8b少2 |
| x |
| 手-x |
| x |
| 手+x |
| a |
| 2xy |
| b |
| 3x2 |
| 1 |
| 2a3b2 |
| 2 |
| 3a2b2c |
| 1 |
| y-1 |
| 1 |
| y+1 |
| 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 |
| 3a |
| a2-b2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 1 |
| 1 |
| 8 |
| 1 |
| 1f |
| 1 |
| 12 |
| -6(q-p) |
| 4(p-q)2 |
| x |
| 6ab2 |
| y |
| 9a2bc |
| aj-bj |
| aj+ab |
| xy-2y |
| x2-4x+4 |