| 1 |
| xy |
| 1 |
| (x+1)(y+a) |
| 2 |
| 3 |
| 2x |
| x+3 |
| 7 |
| 2x+6 |
| 4 |
| x2-1 |
| x+1 |
| x-1 |
| x+3 |
| x+4 |
| x+4 |
| x+5 |
| x+1 |
| x+2 |
| x+2 |
| x+3 |
|
| 1 |
| x-t |
| 1-x |
| t-x |
| 一x+l |
| 4 |
| 4 |
| 一x+l |
| 4-x |
| l |
| l |
| 4-x |
|
| 5x |
| 3x-4 |
| 1 |
| 4-3x |
| 88 |
| x2-16 |
| 2x-1 |
| x+4 |
| 3x-1 |
| 4-x |
| 1 |
| x(x-1) |
| 1 |
| x(x+1) |
| 1 |
| (x+9)(x+10) |
| 11 |
| 12 |
| 1 |
| x+2 |
| 1 |
| 2x+3 |
| 1 |
| 3x-4 |
| 1 |
| 6x+1 |
| 13-2x |
| 11-2x |
| 17-2x |
| 15-2x |
| 19-2x |
| 17-2x |
| 11-2x |
| 9-2x |
| 1 | ||||
1+
|
| 3x+2 |
| 2x+1 |