Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 775 ? 303 = 1.078 |
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| 2. | 615 ? 505 = 110 |
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| 3. | 993 ? 748 = 245 |
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| 4. | 856 ? 486 = 370 |
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| 5. | 982 ? 427 = 1.409 |
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| 6. | 489 ? 79 = 410 |
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| 7. | 878 ? 774 = 1.652 |
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| 8. | 18 ? 14 = 252 |
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| 9. | 869 ? 252 = 1.121 |
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| 10. | 17 ? 15 = 255 |
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| 11. | 256 ? 221 = 477 |
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| 12. | 504 ? 224 = 280 |
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