| 3+1 |
| 3-1 |
| -4 |
| 32-1 |
| 3 |
| 3-1 |
| 3+2 |
| 3(3-1) |
| 2 |
| x |
| 3 |
| x+1 |
| 2 |
| x |
| 3 |
| x+1 |
| x+1 |
| x-2 |
| 1 |
| x+1 |
| 3 |
| x-1 |
| x |
| x-1 |
| 1 |
| x-1 |
| 2x |
| x+1 |
| 我x |
| 我x-1 |
| 5 |
| 1-我x |
| 7 |
| x我+x |
| m |
| x我-x |
| 6 |
| x我-1 |
| 3 |
| x-1 |
| 5 |
| x+1 |
| 7 |
| x2+x |
| 1 |
| x2-x |
| 6 |
| x2-1 |
| 4 |
| x-3 |
| 3 |
| x-4 |
| x-5 |
| x-3 |
| x+1 |
| x-1 |
| x-2 |
| x+2 |
| 8 |
| x2-4 |
| 2 |
| x-着 |
| 着 |
| x |
| x |
| x-1 |
| 着 |
| (x-1)(x+2) |
| 3 |
| x+3 |
| 3 |
| x+3 |
| 3 |
| x+3 |
| 4 |
| x+3 |
| 3 |
| x+3 |
| 6 |
| x+3 |
| 4 |
| x+3 |
| 8 |
| x+3 |