9 5 x 80 July 8, 2019 16 32 64 128 9 5 x 80 32 9 5 8 x 80 Solve 5 x 9 80 9 80 x 5 7 5 x 9 7 3 80 Keilriemen 9 5 x 800 9 x 8 = 50 x 9
