| 1. | 3.9 - 7.7 = | |||
| 2. | 8.8 - 9.4 = | |||
| 3. | 6.9 - 9.3 = | |||
| 4. | 9.4 - 5.8 = | |||
| 5. | 4.2 - 5.6 = | |||
| 6. | 1.5 - 1.6 = | |||
| 7. | 2.6 - 4.9 = | |||
| 8. | 2.2 - 3.8 = | |||
| 9. | 7.8 - 9.5 = | |||
| 10. | 2.7 - 1.6 = |
| 1. | 3.9 - 7.7 = | |||
| 2. | 8.8 - 9.4 = | |||
| 3. | 6.9 - 9.3 = | |||
| 4. | 9.4 - 5.8 = | |||
| 5. | 4.2 - 5.6 = | |||
| 6. | 1.5 - 1.6 = | |||
| 7. | 2.6 - 4.9 = | |||
| 8. | 2.2 - 3.8 = | |||
| 9. | 7.8 - 9.5 = | |||
| 10. | 2.7 - 1.6 = |