6 1 2 x 6 5 6 4 1 July 8, 2019 16 32 64 128 7 1 6 x 2 5 6 1 4 6 6 1/2 х = 6 5/6 4 1 6 1/2 x 5/6 6 6-6 2*1 5 6 1 - 4 5*5 4
