Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 434 ? 98 = 336 |
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| 2. | 757 ? 327 = 430 |
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| 3. | 591 ? 239 = 830 |
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| 4. | 414 ? 150 = 264 |
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| 5. | 787 ? 178 = 609 |
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| 6. | 642 ? 345 = 297 |
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| 7. | 637 ? 478 = 159 |
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| 8. | 728 ? 571 = 1.299 |
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| 9. | 940 ? 689 = 251 |
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| 10. | 783 ? 611 = 1.394 |
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| 11. | 18 ? 13 = 234 |
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| 12. | 953 ? 63 = 890 |
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