Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 18 ? 17 = 306 |
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| 2. | 224 ? 111 = 113 |
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| 3. | 827 ? 56 = 883 |
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| 4. | 75 ? 70 = 145 |
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| 5. | 469 ? 437 = 906 |
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| 6. | 415 ? 121 = 536 |
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| 7. | 20 ? 11 = 220 |
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| 8. | 783 ? 55 = 728 |
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| 9. | 746 ? 556 = 190 |
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| 10. | 800 ? 149 = 949 |
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| 11. | 666 ? 544 = 122 |
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| 12. | 17 ? 15 = 255 |
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