Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 15 ? 12 = 180 |
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| 2. | 20 ? 13 = 260 |
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| 3. | 251 ? 53 = 198 |
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| 4. | 20 ? 18 = 360 |
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| 5. | 958 ? 825 = 133 |
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| 6. | 654 ? 315 = 969 |
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| 7. | 18 ? 12 = 216 |
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| 8. | 929 ? 159 = 770 |
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| 9. | 821 ? 680 = 141 |
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| 10. | 15 ? 11 = 165 |
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| 11. | 19 ? 18 = 342 |
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| 12. | 845 ? 400 = 445 |
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