1 2 17− 8 = 17− 9 = 12− 8 = 11− 8 = 15− 9 = 15− 7 = 18− 9 = 11− 1 = 11− 2 = 11− 3 = 11− 4 = 12− 2 = 12− 3 = 12− 4 = 12− 5 = 13− 3 = 13− 4 = 13− 5 = 13− 6 = 14− 5 = 13− 6 = 14− 6 = 13− 7 = 11− 5 = 12− 6 = 11− 6 = 12− 7 = 11− 7 = 12− 8 = 11− 8 = 12− 9 = 33 Minus: Unter 10 Nur zu Prüfzwecken – Eigentum des Verlags öbv
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