| 1. | 6.8 - 2.3 = | |||
| 2. | 8.8 - 1.5 = | |||
| 3. | 6.5 - 3.2 = | |||
| 4. | 8.2 - 8.1 = | |||
| 5. | 4.9 - 3.1 = | |||
| 6. | 6.9 - 5.8 = | |||
| 7. | 7.8 - 9.9 = | |||
| 8. | 9.5 - 4.2 = | |||
| 9. | 8.5 - 4.2 = | |||
| 10. | 5.9 - 6.3 = |
| 1. | 6.8 - 2.3 = | |||
| 2. | 8.8 - 1.5 = | |||
| 3. | 6.5 - 3.2 = | |||
| 4. | 8.2 - 8.1 = | |||
| 5. | 4.9 - 3.1 = | |||
| 6. | 6.9 - 5.8 = | |||
| 7. | 7.8 - 9.9 = | |||
| 8. | 9.5 - 4.2 = | |||
| 9. | 8.5 - 4.2 = | |||
| 10. | 5.9 - 6.3 = |