Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 173 ? 139 = 312 |
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| 2. | 143 ? 121 = 264 |
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| 3. | 167 ? 157 = 324 |
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| 4. | 139 ? 101 = 38 |
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| 5. | 13 ? 10 = 130 |
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| 6. | 188 ? 139 = 327 |
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| 7. | 153 ? 130 = 23 |
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| 8. | 194 ? 112 = 82 |
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| 9. | 15 ? 9 = 135 |
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| 10. | 172 ? 93 = 79 |
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| 11. | 151 ? 134 = 17 |
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| 12. | 171 ? 164 = 335 |
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