4 2 7x July 8, 2019 16 32 64 128 4 2 7x2 4 2 7x 1 4 2 7x 3 4 7x1 2 4 7x 2 5 4 7x 2 7 5 7 4 7x 2 )= 92 4 7x 2 7 4 7x 2 0 4 7x 2 6x 4 7x 2 1 5 4 7x 2 9 4 7x 2 x 4 7x 2 3x 4 x 2 )= 7x 1