Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 609 ? 410 = 199 |
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| 2. | 521 ? 223 = 298 |
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| 3. | 546 ? 422 = 968 |
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| 4. | 799 ? 675 = 124 |
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| 5. | 13 ? 11 = 143 |
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| 6. | 18 ? 15 = 270 |
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| 7. | 20 ? 11 = 220 |
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| 8. | 317 ? 152 = 469 |
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| 9. | 20 ? 17 = 340 |
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| 10. | 850 ? 66 = 784 |
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| 11. | 356 ? 311 = 45 |
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| 12. | 18 ? 15 = 270 |
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