Ergänze das passende Zeichen [3]
Knobelaufgaben
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| 1. | 9 ? 5 = 45 |
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| 2. | 90 ? 23 = 113 |
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| 3. | 79 ? 56 = 23 |
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| 4. | 82 ? 15 = 67 |
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| 5. | 94 ? 51 = 145 |
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| 6. | 64 ? 15 = 49 |
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| 7. | 39 ? 11 = 50 |
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| 8. | 5 ? 3 = 15 |
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| 9. | 70 ? 69 = 139 |
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| 10. | 60 ? 33 = 27 |
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| 11. | 90 ? 34 = 124 |
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| 12. | 9 ? 4 = 36 |
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