Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 77 ? 50 = 127 |
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| 2. | 173 ? 166 = 7 |
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| 3. | 12 ? 5 = 60 |
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| 4. | 89 ? 89 = 0 |
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| 5. | 170 ? 71 = 99 |
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| 6. | 124 ? 71 = 53 |
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| 7. | 153 ? 145 = 298 |
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| 8. | 12 ? 9 = 108 |
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| 9. | 124 ? 116 = 240 |
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| 10. | 179 ? 122 = 301 |
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| 11. | 168 ? 117 = 51 |
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| 12. | 133 ? 57 = 76 |
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