Ergänze das passende Zeichen [3]
Knobelaufgaben
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| 1. | 52 ? 21 = 73 |
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| 2. | 9 ? 2 = 18 |
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| 3. | 90 ? 33 = 57 |
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| 4. | 7 ? 4 = 28 |
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| 5. | 9 ? 4 = 36 |
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| 6. | 5 ? 4 = 20 |
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| 7. | 5 ? 2 = 10 |
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| 8. | 1 ? 1 = 1 |
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| 9. | 93 ? 39 = 54 |
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| 10. | 94 ? 23 = 71 |
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| 11. | 9 ? 5 = 45 |
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| 12. | 9 ? 6 = 54 |
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