Erbijsommen tot 100
Erbijsommen
| Oefening 1 | |||||
| 1. | 31 | + | 19 | = |
|
| 2. | 25 | + | 23 | = |
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| 3. | 30 | + | 17 | = |
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| 4. | 44 | + | 17 | = |
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| 5. | 40 | + | 35 | = |
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| 6. | 26 | + | 22 | = |
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| 7. | 41 | + | 35 | = |
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| 8. | 30 | + | 27 | = |
|
| 9. | 21 | + | 13 | = |
|
| 10. | 43 | + | 30 | = |
|
| Oefening 2 | |||||
| 1. | 49 | + | 41 | = |
|
| 2. | 41 | + | 36 | = |
|
| 3. | 33 | + | 14 | = |
|
| 4. | 47 | + | 30 | = |
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| 5. | 40 | + | 34 | = |
|
| 6. | 16 | + | 13 | = |
|
| 7. | 25 | + | 10 | = |
|
| 8. | 41 | + | 15 | = |
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| 9. | 33 | + | 28 | = |
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| 10. | 46 | + | 23 | = |
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| Oefening 3 | |||||
| 1. | 44 | + | 10 | = |
|
| 2. | 18 | + | 16 | = |
|
| 3. | 38 | + | 34 | = |
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| 4. | 39 | + | 16 | = |
|
| 5. | 48 | + | 27 | = |
|
| 6. | 18 | + | 11 | = |
|
| 7. | 36 | + | 35 | = |
|
| 8. | 25 | + | 10 | = |
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| 9. | 45 | + | 34 | = |
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| 10. | 49 | + | 27 | = |
|
| Oefening 4 | |||||
| 1. | 32 | + | 19 | = |
|
| 2. | 43 | + | 38 | = |
|
| 3. | 25 | + | 19 | = |
|
| 4. | 18 | + | 13 | = |
|
| 5. | 44 | + | 20 | = |
|
| 6. | 49 | + | 32 | = |
|
| 7. | 39 | + | 33 | = |
|
| 8. | 23 | + | 14 | = |
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| 9. | 41 | + | 36 | = |
|
| 10. | 49 | + | 29 | = |
|