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Eckpunkte des Vierecks (0,0), (4,0), (4,3), (0,3) . Berechne den Umfang. (Antw.: 14.)
Eckpunkte des Vierecks (0,0), (4,0), (4,3), (0,3) . Berechne den Umfang. (Antw.: 14.)
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