X 8 4 7 35 July 8, 2019 16 32 64 128 7 8 х 4 35 x 10 9 8 5 x 4 35 7 7 35 4 8 x 63 4 7 x 35 8 x 5 6 X 4 7 8 - (8 8 - x) - (4 7 + x)