Die 20er - Reihe üben (offene Frage)
Das große Einmaleins
| Aufgabe 1 | |||||
| 1. | 18 | • | 20 | = |
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| 2. | 17 | • | 20 | = |
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| 3. | 11 | • | 20 | = |
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| 4. | 18 | • | 20 | = |
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| 5. | 14 | • | 20 | = |
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| 6. | 14 | • | 20 | = |
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| 7. | 18 | • | 20 | = |
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| 8. | 20 | • | 20 | = |
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| 9. | 15 | • | 20 | = |
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| 10. | 9 | • | 20 | = |
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| Aufgabe 2 | |||||
| 1. | 2 | • | 20 | = |
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| 2. | 12 | • | 20 | = |
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| 3. | 19 | • | 20 | = |
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| 4. | 2 | • | 20 | = |
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| 5. | 5 | • | 20 | = |
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| 6. | 7 | • | 20 | = |
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| 7. | 2 | • | 20 | = |
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| 8. | 1 | • | 20 | = |
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| 9. | 2 | • | 20 | = |
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| 10. | 6 | • | 20 | = |
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| Aufgabe 3 | |||||
| 1. | 12 | • | 20 | = |
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| 2. | 6 | • | 20 | = |
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| 3. | 17 | • | 20 | = |
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| 4. | 17 | • | 20 | = |
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| 5. | 6 | • | 20 | = |
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| 6. | 4 | • | 20 | = |
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| 7. | 8 | • | 20 | = |
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| 8. | 5 | • | 20 | = |
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| 9. | 13 | • | 20 | = |
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| 10. | 12 | • | 20 | = |
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| Aufgabe 4 | |||||
| 1. | 6 | • | 20 | = |
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| 2. | 11 | • | 20 | = |
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| 3. | 5 | • | 20 | = |
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| 4. | 14 | • | 20 | = |
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| 5. | 9 | • | 20 | = |
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| 6. | 8 | • | 20 | = |
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| 7. | 13 | • | 20 | = |
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| 8. | 20 | • | 20 | = |
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| 9. | 11 | • | 20 | = |
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| 10. | 18 | • | 20 | = |
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