8 9x 17 54 5 4 July 8, 2019 16 32 64 128 8 9x 17 54 5 4x 2 84 8 9x + 17 54=5 4x+2 84 9 x 8 = 8 9х+17 54=5 4 9 4x-7 8+0 52=1
