Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 180 ? 132 = 312 |
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| 2. | 78 ? 78 = 0 |
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| 3. | 127 ? 126 = 253 |
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| 4. | 97 ? 72 = 169 |
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| 5. | 174 ? 169 = 5 |
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| 6. | 11 ? 7 = 77 |
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| 7. | 142 ? 137 = 279 |
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| 8. | 139 ? 102 = 37 |
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| 9. | 8 ? 6 = 48 |
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| 10. | 9 ? 8 = 72 |
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| 11. | 111 ? 86 = 25 |
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| 12. | 166 ? 92 = 74 |
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