| x-a |
| x-1 |
| 2 |
| 2x-2 |
| x |
| x-多 |
| m2 |
| x-多 |
| 3a-1 |
| x+1 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| x |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| x |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| x |
| 1 |
| t |
| 1 |
| t |
| 1 |
| x-1 |
| 1 |
| t-1 |
| t |
| t-1 |
| t |
| t-1 |
| 2x+a |
| x-2 |
| 1 |
| x+3 |
| a |
| x+3 |
| r |
| x |
| r |
| c |
| r |
| c |
| r |
| x |
| r |
| c |
| -r |
| x |
| -r |
| c |
| r |
| c |
| 2 |
| x |
| 2 |
| c |
| 2 |
| c |
| k |
| x |
| k |
| c |
| k |
| c |
| m |
| x |
| m |
| c |
| 2 |
| x-r |
| 2 |
| a-r |
| 2x |
| x-2 |
| k |
| x-1 |
| 1 |
| 3 |
| 1 |
| 3 |
| x+1 |
| x-1 |
| mx |
| x+3 |
| ax |
| 1-ax |
| 2 |
| ax-1 |