Erbijsommen tot 100
Erbijsommen
| Oefening 1 | |||||
| 1. | 39 | + | 21 | = |
|
| 2. | 17 | + | 10 | = |
|
| 3. | 42 | + | 20 | = |
|
| 4. | 24 | + | 17 | = |
|
| 5. | 42 | + | 16 | = |
|
| 6. | 47 | + | 15 | = |
|
| 7. | 29 | + | 3 | = |
|
| 8. | 23 | + | 5 | = |
|
| 9. | 47 | + | 18 | = |
|
| 10. | 15 | + | 7 | = |
|
| Oefening 2 | |||||
| 1. | 22 | + | 4 | = |
|
| 2. | 26 | + | 21 | = |
|
| 3. | 44 | + | 27 | = |
|
| 4. | 27 | + | 3 | = |
|
| 5. | 48 | + | 29 | = |
|
| 6. | 41 | + | 3 | = |
|
| 7. | 30 | + | 1 | = |
|
| 8. | 3 | + | 1 | = |
|
| 9. | 29 | + | 17 | = |
|
| 10. | 26 | + | 2 | = |
|
| Oefening 3 | |||||
| 1. | 37 | + | 14 | = |
|
| 2. | 50 | + | 48 | = |
|
| 3. | 48 | + | 33 | = |
|
| 4. | 26 | + | 22 | = |
|
| 5. | 21 | + | 16 | = |
|
| 6. | 40 | + | 18 | = |
|
| 7. | 28 | + | 27 | = |
|
| 8. | 12 | + | 10 | = |
|
| 9. | 26 | + | 11 | = |
|
| 10. | 33 | + | 6 | = |
|
| Oefening 4 | |||||
| 1. | 35 | + | 10 | = |
|
| 2. | 45 | + | 27 | = |
|
| 3. | 32 | + | 27 | = |
|
| 4. | 40 | + | 9 | = |
|
| 5. | 29 | + | 14 | = |
|
| 6. | 8 | + | 4 | = |
|
| 7. | 48 | + | 46 | = |
|
| 8. | 24 | + | 18 | = |
|
| 9. | 46 | + | 13 | = |
|
| 10. | 23 | + | 5 | = |
|