| 1. | 6.8 - 3.8 = | |||
| 2. | 4.5 - 4.3 = | |||
| 3. | 5.3 - 4.8 = | |||
| 4. | 6.8 - 7.6 = | |||
| 5. | 6.6 - 2.1 = | |||
| 6. | 2.2 - 2.2 = | |||
| 7. | 1.5 - 4.9 = | |||
| 8. | 4.4 - 3.9 = | |||
| 9. | 7.8 - 4.5 = | |||
| 10. | 8.3 - 4.7 = |
| 1. | 6.8 - 3.8 = | |||
| 2. | 4.5 - 4.3 = | |||
| 3. | 5.3 - 4.8 = | |||
| 4. | 6.8 - 7.6 = | |||
| 5. | 6.6 - 2.1 = | |||
| 6. | 2.2 - 2.2 = | |||
| 7. | 1.5 - 4.9 = | |||
| 8. | 4.4 - 3.9 = | |||
| 9. | 7.8 - 4.5 = | |||
| 10. | 8.3 - 4.7 = |