Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 18 ? 18 = 324 |
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| 2. | 19 ? 17 = 323 |
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| 3. | 806 ? 387 = 419 |
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| 4. | 17 ? 15 = 255 |
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| 5. | 688 ? 205 = 893 |
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| 6. | 17 ? 15 = 255 |
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| 7. | 793 ? 777 = 16 |
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| 8. | 913 ? 685 = 228 |
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| 9. | 730 ? 196 = 926 |
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| 10. | 13 ? 11 = 143 |
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| 11. | 815 ? 472 = 1.287 |
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| 12. | 966 ? 478 = 488 |
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