4 7 15 8 July 8, 2019 16 32 64 128 4 7 1 8 15 3 4 7 8 15 8 4 7 15 5 7 4 х 8 15 Y 4 7 5 8 15 15 7 8 x 4 Is 4 7 equal to 8 15 7 4 9 8 15 4 5 of 7 15 8 9 4 7 divided by 8 15 4 85 7 15