Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 647 ? 232 = 879 |
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| 2. | 238 ? 73 = 165 |
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| 3. | 460 ? 414 = 46 |
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| 4. | 379 ? 138 = 517 |
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| 5. | 555 ? 398 = 157 |
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| 6. | 557 ? 419 = 138 |
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| 7. | 452 ? 279 = 731 |
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| 8. | 643 ? 115 = 528 |
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| 9. | 641 ? 547 = 94 |
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| 10. | 12 ? 10 = 120 |
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| 11. | 747 ? 289 = 1.036 |
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| 12. | 564 ? 311 = 875 |
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