Ergänze das passende Zeichen [1]
Knobelaufgaben
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| 1. | 86 ? 67 = 153 |
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| 2. | 84 ? 28 = 56 |
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| 3. | 78 ? 10 = 68 |
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| 4. | 95 ? 80 = 15 |
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| 5. | 2 ? 1 = 2 |
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| 6. | 34 ? 23 = 57 |
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| 7. | 81 ? 19 = 62 |
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| 8. | 60 ? 29 = 89 |
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| 9. | 7 ? 2 = 14 |
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| 10. | 45 ? 35 = 80 |
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| 11. | 51 ? 42 = 93 |
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| 12. | 9 ? 4 = 36 |
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