Erbijsommen tot 100
Erbijsommen
| Oefening 1 | |||||
| 1. | 27 | + | 3 | = |
|
| 2. | 45 | + | 24 | = |
|
| 3. | 44 | + | 18 | = |
|
| 4. | 50 | + | 42 | = |
|
| 5. | 33 | + | 25 | = |
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| 6. | 18 | + | 7 | = |
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| 7. | 45 | + | 39 | = |
|
| 8. | 15 | + | 8 | = |
|
| 9. | 42 | + | 20 | = |
|
| 10. | 34 | + | 2 | = |
|
| Oefening 2 | |||||
| 1. | 49 | + | 47 | = |
|
| 2. | 33 | + | 24 | = |
|
| 3. | 31 | + | 30 | = |
|
| 4. | 38 | + | 15 | = |
|
| 5. | 17 | + | 4 | = |
|
| 6. | 50 | + | 2 | = |
|
| 7. | 33 | + | 14 | = |
|
| 8. | 16 | + | 6 | = |
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| 9. | 46 | + | 39 | = |
|
| 10. | 22 | + | 12 | = |
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| Oefening 3 | |||||
| 1. | 12 | + | 1 | = |
|
| 2. | 31 | + | 19 | = |
|
| 3. | 24 | + | 6 | = |
|
| 4. | 17 | + | 9 | = |
|
| 5. | 41 | + | 7 | = |
|
| 6. | 46 | + | 43 | = |
|
| 7. | 38 | + | 22 | = |
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| 8. | 47 | + | 44 | = |
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| 9. | 29 | + | 3 | = |
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| 10. | 50 | + | 5 | = |
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| Oefening 4 | |||||
| 1. | 42 | + | 15 | = |
|
| 2. | 49 | + | 31 | = |
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| 3. | 28 | + | 21 | = |
|
| 4. | 48 | + | 5 | = |
|
| 5. | 46 | + | 10 | = |
|
| 6. | 44 | + | 21 | = |
|
| 7. | 45 | + | 33 | = |
|
| 8. | 34 | + | 20 | = |
|
| 9. | 7 | + | 2 | = |
|
| 10. | 39 | + | 10 | = |
|