Erbijsommen tot 100
Erbijsommen
| Oefening 1 | |||||
| 1. | 48 | + | 33 | = |
|
| 2. | 13 | + | 1 | = |
|
| 3. | 23 | + | 20 | = |
|
| 4. | 49 | + | 26 | = |
|
| 5. | 50 | + | 48 | = |
|
| 6. | 4 | + | 1 | = |
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| 7. | 23 | + | 20 | = |
|
| 8. | 8 | + | 7 | = |
|
| 9. | 48 | + | 26 | = |
|
| 10. | 46 | + | 35 | = |
|
| Oefening 2 | |||||
| 1. | 25 | + | 17 | = |
|
| 2. | 37 | + | 34 | = |
|
| 3. | 17 | + | 7 | = |
|
| 4. | 18 | + | 12 | = |
|
| 5. | 40 | + | 11 | = |
|
| 6. | 44 | + | 6 | = |
|
| 7. | 40 | + | 33 | = |
|
| 8. | 23 | + | 7 | = |
|
| 9. | 39 | + | 2 | = |
|
| 10. | 8 | + | 2 | = |
|
| Oefening 3 | |||||
| 1. | 23 | + | 20 | = |
|
| 2. | 49 | + | 19 | = |
|
| 3. | 41 | + | 17 | = |
|
| 4. | 49 | + | 17 | = |
|
| 5. | 50 | + | 13 | = |
|
| 6. | 34 | + | 14 | = |
|
| 7. | 31 | + | 11 | = |
|
| 8. | 8 | + | 2 | = |
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| 9. | 47 | + | 9 | = |
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| 10. | 42 | + | 8 | = |
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| Oefening 4 | |||||
| 1. | 31 | + | 7 | = |
|
| 2. | 23 | + | 21 | = |
|
| 3. | 39 | + | 12 | = |
|
| 4. | 40 | + | 20 | = |
|
| 5. | 20 | + | 20 | = |
|
| 6. | 50 | + | 37 | = |
|
| 7. | 23 | + | 21 | = |
|
| 8. | 25 | + | 5 | = |
|
| 9. | 42 | + | 13 | = |
|
| 10. | 34 | + | 24 | = |
|