5 75 2 1 4 July 8, 2019 16 32 64 128 12 5 x 1 75 x 2 1 4 Schlauch 12 5 x 1 75 x 2 1 4 5 r 1 )+ 4 r 2 )= 75 0 75 2 5 x 1 3 4