Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 450 ? 57 = 507 |
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| 2. | 587 ? 143 = 730 |
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| 3. | 14 ? 14 = 196 |
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| 4. | 681 ? 270 = 951 |
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| 5. | 887 ? 485 = 402 |
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| 6. | 402 ? 402 = 804 |
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| 7. | 13 ? 12 = 156 |
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| 8. | 713 ? 368 = 1.081 |
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| 9. | 776 ? 128 = 904 |
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| 10. | 640 ? 539 = 101 |
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| 11. | 748 ? 371 = 1.119 |
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| 12. | 15 ? 14 = 210 |
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