Ergänze das passende Zeichen [3]
Knobelaufgaben
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| 1. | 39 ? 34 = 5 |
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| 2. | 59 ? 25 = 34 |
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| 3. | 99 ? 23 = 122 |
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| 4. | 99 ? 75 = 24 |
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| 5. | 5 ? 3 = 15 |
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| 6. | 9 ? 2 = 18 |
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| 7. | 90 ? 63 = 153 |
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| 8. | 5 ? 1 = 5 |
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| 9. | 91 ? 30 = 61 |
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| 10. | 64 ? 31 = 95 |
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| 11. | 85 ? 57 = 28 |
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| 12. | 77 ? 59 = 136 |
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