Contest: Kopfrechnen
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12:56
Quadrat mit Trick
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16:59
Der große Satz von Fermat Teil 1
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14:25
Was ist Null hoch Null?
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19:44
Ähnlichkeit im Sektglas
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55:54
Mathematik Unterricht der Zukunft! feat. Prof. Dr. Christian Spannagel
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12:05
Logarithmus
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9:22
Kopfrechnen | Raab vs. Matthias | Spiel 11 - Schlag den Raab #3
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27:35