2 2 9 x 1 1 3 July 8, 2019 16 32 64 128 2 2 9 x 1 3 5 2 9 x 1 )- 2x 1 3 2 3 2 9 х 1 3 4 9 x 1 2 2 1 3 Y 3 2 9 x 1 2 9 1 2 9 x 1 18 1 3 2 1/9 x 3 2 2/9 * x = 1 1/9