Erafsommen tot 50
Aftrekken
| Oefening 1 | |||||
| 1. | 24 | - | 7 | = |
|
| 2. | 17 | - | 14 | = |
|
| 3. | 41 | - | 2 | = |
|
| 4. | 46 | - | 46 | = |
|
| 5. | 37 | - | 14 | = |
|
| 6. | 38 | - | 35 | = |
|
| 7. | 6 | - | 2 | = |
|
| 8. | 35 | - | 31 | = |
|
| 9. | 30 | - | 11 | = |
|
| 10. | 47 | - | 35 | = |
|
| Oefening 2 | |||||
| 1. | 17 | - | 4 | = |
|
| 2. | 46 | - | 4 | = |
|
| 3. | 44 | - | 17 | = |
|
| 4. | 46 | - | 5 | = |
|
| 5. | 42 | - | 12 | = |
|
| 6. | 49 | - | 22 | = |
|
| 7. | 24 | - | 3 | = |
|
| 8. | 29 | - | 4 | = |
|
| 9. | 29 | - | 11 | = |
|
| 10. | 49 | - | 9 | = |
|
| Oefening 3 | |||||
| 1. | 43 | - | 39 | = |
|
| 2. | 29 | - | 24 | = |
|
| 3. | 8 | - | 7 | = |
|
| 4. | 37 | - | 4 | = |
|
| 5. | 22 | - | 13 | = |
|
| 6. | 41 | - | 27 | = |
|
| 7. | 42 | - | 12 | = |
|
| 8. | 21 | - | 19 | = |
|
| 9. | 37 | - | 14 | = |
|
| 10. | 36 | - | 17 | = |
|
| Oefening 4 | |||||
| 1. | 37 | - | 15 | = |
|
| 2. | 42 | - | 30 | = |
|
| 3. | 12 | - | 2 | = |
|
| 4. | 45 | - | 21 | = |
|
| 5. | 48 | - | 25 | = |
|
| 6. | 43 | - | 24 | = |
|
| 7. | 43 | - | 24 | = |
|
| 8. | 49 | - | 15 | = |
|
| 9. | 46 | - | 17 | = |
|
| 10. | 46 | - | 19 | = |
|