6 2 4 y 1 2 8 July 8, 2019 16 32 64 128 Y= 1 2x y 2 4 6 8 X 1 2 3 4 y 2 4 6 8 (6 4+y) 2=8 5 6 + 4 = 4 6 2 - y - 1 8 = 4 39