Verdoppeln 1 Verdopple. 1 2 3 4 5 6 7 8 91020304050 2 2 3 4 2 16 2 10= 2 6= + 2 16= 2 27 2 20= 2 7= 2 27= Verdoppeln 30 2 49 2 40= 2 + 2 49= 2 47 + 2 47= 2 38 2 2 2 38= 2 36 2 36= 16 = 10 + 6
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