| x-b |
| x |
| x-4 |
| x |
| x-b |
| x |
| x-4 |
| x |
| 100 |
| x-10 |
| 120 |
| x |
| 100 |
| x-10 |
| 120 |
| x |
| 二60 |
| 2 |
| 二60 |
| 2+20 |
| 二60 |
| 2 |
| 二60 |
| 2+20 |
| 15 |
| x |
| 15 |
| x+1 |
| 1 |
| 2 |
| 15 |
| x |
| 15 |
| x+1 |
| 1 |
| 2 |
| 900 |
| x |
| 600 |
| x-30 |
| 900 |
| x |
| 600 |
| x-30 |
| 20 |
| x |
| 20 |
| 1.5x |
| 20 |
| x |
| 20 |
| 1.5x |
| 900 |
| x |
| 1500 |
| x+300 |
| 900 |
| x |
| 1500 |
| x+300 |
| 180 |
| x-2 |
| 180 |
| x |
| 180 |
| x-2 |
| 180 |
| x |
| 120 |
| x |
| 120 |
| 1.5x |
| 120 |
| x |
| 120 |
| 1.5x |
| 90 |
| x |
| 120 |
| 35-x |
| 90 |
| x |
| 120 |
| 35-x |