Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 537 ? 272 = 809 |
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| 2. | 408 ? 404 = 4 |
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| 3. | 284 ? 249 = 533 |
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| 4. | 911 ? 867 = 44 |
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| 5. | 725 ? 571 = 154 |
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| 6. | 20 ? 13 = 260 |
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| 7. | 992 ? 840 = 152 |
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| 8. | 17 ? 15 = 255 |
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| 9. | 704 ? 139 = 565 |
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| 10. | 330 ? 67 = 263 |
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| 11. | 15 ? 10 = 150 |
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| 12. | 20 ? 13 = 260 |
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