Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 510 ? 222 = 288 |
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| 2. | 549 ? 427 = 122 |
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| 3. | 844 ? 555 = 1.399 |
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| 4. | 671 ? 662 = 9 |
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| 5. | 278 ? 143 = 135 |
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| 6. | 578 ? 260 = 838 |
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| 7. | 777 ? 263 = 514 |
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| 8. | 915 ? 751 = 1.666 |
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| 9. | 522 ? 405 = 117 |
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| 10. | 125 ? 98 = 223 |
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| 11. | 703 ? 161 = 542 |
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| 12. | 508 ? 431 = 77 |
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