Die 20er - Reihe üben (offene Frage)
Das große Einmaleins
| Aufgabe 1 | |||||
| 1. | 18 | • | 20 | = |
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| 2. | 19 | • | 20 | = |
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| 3. | 19 | • | 20 | = |
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| 4. | 17 | • | 20 | = |
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| 5. | 4 | • | 20 | = |
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| 6. | 7 | • | 20 | = |
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| 7. | 15 | • | 20 | = |
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| 8. | 20 | • | 20 | = |
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| 9. | 5 | • | 20 | = |
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| 10. | 16 | • | 20 | = |
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| Aufgabe 2 | |||||
| 1. | 10 | • | 20 | = |
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| 2. | 8 | • | 20 | = |
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| 3. | 7 | • | 20 | = |
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| 4. | 6 | • | 20 | = |
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| 5. | 5 | • | 20 | = |
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| 6. | 12 | • | 20 | = |
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| 7. | 10 | • | 20 | = |
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| 8. | 12 | • | 20 | = |
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| 9. | 18 | • | 20 | = |
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| 10. | 20 | • | 20 | = |
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| Aufgabe 3 | |||||
| 1. | 9 | • | 20 | = |
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| 2. | 5 | • | 20 | = |
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| 3. | 4 | • | 20 | = |
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| 4. | 2 | • | 20 | = |
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| 5. | 17 | • | 20 | = |
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| 6. | 5 | • | 20 | = |
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| 7. | 12 | • | 20 | = |
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| 8. | 3 | • | 20 | = |
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| 9. | 19 | • | 20 | = |
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| 10. | 15 | • | 20 | = |
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| Aufgabe 4 | |||||
| 1. | 15 | • | 20 | = |
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| 2. | 18 | • | 20 | = |
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| 3. | 11 | • | 20 | = |
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| 4. | 5 | • | 20 | = |
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| 5. | 8 | • | 20 | = |
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| 6. | 6 | • | 20 | = |
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| 7. | 18 | • | 20 | = |
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| 8. | 11 | • | 20 | = |
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| 9. | 16 | • | 20 | = |
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| 10. | 2 | • | 20 | = |
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