|
| 上 |
| 上+1 |
| 2 |
| 上-1 |
| 3 |
| x-1 |
| x+2 |
| x(x-1) |
| 1-x |
| x-2 |
| 1 |
| 2-x |
| x-2 |
| x+2 |
| 12 |
| x2-4 |
| 1 |
| 1-3x |
| 3 |
| 2 |
| 2 |
| 3x-1 |
| 3 |
| x-1 |
| x+3 |
| x2-1 |
| 2x |
| 2x-5 |
| 2 |
| 2x+5 |
| x+1 |
| x-2 |
| 1 |
| x+1 |
| 1 |
| x+1 |
| 2 |
| x-1 |
| 1 |
| x2-1 |
| 2-a |
| a-4 |
| 3+a |
| 4-a |
| 7 |
| x-1 |
| x |
| x-1 |
| x-4 |
| x-2 |
| 4 |
| 2-x |
| 5x-4 |
| x-2 |
| 4x+10 |
| 4x-6 |
| 2 |
| x-2 |
| 1 |
| x2-4 |
| x-3 |
| 4-x |
| 1 |
| x-4 |
| 5 |
| 2x+3 |
| 3 |
| x-1 |
| 1 |
| x-2 |
| 1 |
| 2-x |