6 7x 13 3 1x 86 5 решение July 8, 2019 16 32 64 128 5 x 7 = 35 6) (6 1x - 13 2) / 1 7=3 6) 13 / x = 17/8 b) (12 3)/6 = (7x)/(4 2) 1) 8(6x - 7) - 17x 2) 9y - 5(17 - y) 3) 0 6(4x - 3) + 2 1(x - 5)