Erbijsommen tot 100
Erbijsommen
| Oefening 1 | |||||
| 1. | 14 | + | 13 | = |
|
| 2. | 17 | + | 10 | = |
|
| 3. | 43 | + | 43 | = |
|
| 4. | 44 | + | 41 | = |
|
| 5. | 39 | + | 23 | = |
|
| 6. | 49 | + | 42 | = |
|
| 7. | 31 | + | 20 | = |
|
| 8. | 23 | + | 19 | = |
|
| 9. | 47 | + | 19 | = |
|
| 10. | 42 | + | 21 | = |
|
| Oefening 2 | |||||
| 1. | 28 | + | 27 | = |
|
| 2. | 21 | + | 19 | = |
|
| 3. | 45 | + | 24 | = |
|
| 4. | 30 | + | 29 | = |
|
| 5. | 30 | + | 16 | = |
|
| 6. | 36 | + | 19 | = |
|
| 7. | 46 | + | 41 | = |
|
| 8. | 37 | + | 31 | = |
|
| 9. | 45 | + | 37 | = |
|
| 10. | 24 | + | 23 | = |
|
| Oefening 3 | |||||
| 1. | 36 | + | 19 | = |
|
| 2. | 21 | + | 10 | = |
|
| 3. | 20 | + | 11 | = |
|
| 4. | 41 | + | 40 | = |
|
| 5. | 31 | + | 20 | = |
|
| 6. | 22 | + | 10 | = |
|
| 7. | 49 | + | 17 | = |
|
| 8. | 40 | + | 18 | = |
|
| 9. | 41 | + | 16 | = |
|
| 10. | 48 | + | 40 | = |
|
| Oefening 4 | |||||
| 1. | 38 | + | 18 | = |
|
| 2. | 28 | + | 19 | = |
|
| 3. | 21 | + | 11 | = |
|
| 4. | 50 | + | 13 | = |
|
| 5. | 22 | + | 14 | = |
|
| 6. | 34 | + | 23 | = |
|
| 7. | 40 | + | 28 | = |
|
| 8. | 29 | + | 17 | = |
|
| 9. | 45 | + | 41 | = |
|
| 10. | 46 | + | 44 | = |
|