X 1 1 2 5 3 5 July 8, 2019 16 32 64 128 Х 1 1 2 5 3 5 X 1 2 5 3 5 4 X 1 2 x 1 5x 3 5 1 1 7 x 1 2 5 x 3 5 2/3 x - 1/2 x = 5/12 1 4 * x 2 5 1 10 * x 3 5 1 − 2 5 3 x 15 1 − 2 5 3x )= 15