Ergänze das passende Zeichen
Zahlen
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| 1. | 54 ? 31 = 23 |
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| 2. | 75 ? 36 = 111 |
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| 3. | 78 ? 52 = 26 |
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| 4. | 8 ? 4 = 32 |
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| 5. | 90 ? 79 = 11 |
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| 6. | 27 ? 18 = 45 |
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| 7. | 98 ? 80 = 178 |
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| 8. | 10 ? 3 = 30 |
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| 9. | 7 ? 7 = 49 |
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| 10. | 10 ? 4 = 40 |
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| 11. | 5 ? 3 = 15 |
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| 12. | 51 ? 22 = 29 |
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