Ergänze das passende Zeichen [1]
Knobelaufgaben
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| 1. | 2 ? 1 = 2 |
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| 2. | 21 ? 13 = 34 |
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| 3. | 7 ? 3 = 21 |
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| 4. | 8 ? 7 = 56 |
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| 5. | 7 ? 5 = 35 |
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| 6. | 42 ? 14 = 56 |
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| 7. | 84 ? 21 = 63 |
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| 8. | 10 ? 9 = 90 |
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| 9. | 73 ? 53 = 20 |
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| 10. | 51 ? 14 = 65 |
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| 11. | 22 ? 17 = 5 |
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| 12. | 4 ? 3 = 12 |
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