| 3 |
| 1 |
| x-1 |
| 1 |
| x+1 |
| x |
| fxf-f |
| x |
| x-7 |
| x |
| x8-7 |
| x8-x |
| x8-8x+7 |
|
| 地-多 |
| 地多-1 |
| 多地+多 |
| 地多+多地+1 |
| 1 |
| 地-1 |
| 3 |
| a |
| a+2 |
| 2 |
| a-2 |
| 1 |
| a2-4 |
| 3x |
| x2-1 |
| 1 |
| x+1 |
| x |
| 2x+3 |
| 3 |
| 4x2-9 |
| 1 |
| 2 |
| 3 |
| 2x-3 |
| 2 |
| 3 |
| 3 |
| 6(x+3) |
| x2-9 |
| 1 |
| x-3 |
| x2+1 |
| 2x-6 |
| 2 |
| 1 |
| 2 |
| m+m2 |
| 1-m |
| 2m |
| 1-m |
| 3x+4 |
| x2-1 |
| 2 |
| x-1 |
| x+2 |
| x2-2x+1 |
|
| 1 |
| m+1 |
| 1 |
| n-1 |
| m |
| m+3 |
| 6 |
| m2-9 |
| 2 |
| m-3 |
| 1 |
| x-y |
| x |
| x-y |
| 1 |
| x-2 |
| 1 |
| x+2 |
| x2 |
| x2-4 |
| 2 |