Ergänze das passende Zeichen [1]
Knobelaufgaben
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| 1. | 88 ? 31 = 119 |
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| 2. | 10 ? 8 = 80 |
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| 3. | 10 ? 1 = 10 |
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| 4. | 4 ? 3 = 12 |
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| 5. | 4 ? 1 = 4 |
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| 6. | 97 ? 18 = 79 |
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| 7. | 89 ? 79 = 10 |
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| 8. | 83 ? 26 = 57 |
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| 9. | 73 ? 25 = 48 |
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| 10. | 5 ? 3 = 15 |
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| 11. | 57 ? 33 = 90 |
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| 12. | 1 ? 1 = 1 |
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