| 5 - 4 = _____ | 7 - 6 = _____ |
| 9 - 1 = _____ | 8 - 0 = _____ |
| 4 - 0 = _____ | 1 - 1 = _____ |
| 6 - 4 = _____ | 4 - 2 = _____ |
| 4 - 3 = _____ | 6 - 0 = _____ |
| 6 - 2 = _____ | 8 - 4 = _____ |
| 6 - 2 = _____ | 5 - 1 = _____ |
| 4 - 1 = _____ | 4 - 2 = _____ |
| 9 - 6 = _____ | 4 - 4 = _____ |
| 6 - 6 = _____ | 6 - 0 = _____ |