6 11 x 9 2 y 18 5 z July 8, 2019 16 32 64 128 6 7 x- 5 9 y=2 - 2 21 x- 1 9 y=6 6/29 x 6 - 2 3/11 x 1 2/9 Х 9/11 = 1 5/6