Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 213 ? 138 = 351 |
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| 2. | 197 ? 158 = 39 |
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| 3. | 899 ? 275 = 1.174 |
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| 4. | 13 ? 12 = 156 |
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| 5. | 924 ? 307 = 1.231 |
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| 6. | 13 ? 11 = 143 |
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| 7. | 14 ? 11 = 154 |
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| 8. | 780 ? 373 = 1.153 |
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| 9. | 805 ? 562 = 1.367 |
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| 10. | 971 ? 522 = 1.493 |
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| 11. | 17 ? 13 = 221 |
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| 12. | 439 ? 355 = 794 |
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