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01 - Entdeckendes Lernen an rechtwinkligen Dreiecken
Ziehe an C1, C2, C3, C4, C5 so, dass die Winkel jeweils gleich 90° sind. Die einzelnen Punkte sollen dabei [i]nicht [/i]aufeinander liegen.[br][br]Auf welcher Linie liegen die Punkte dann vermutlich?