2x 1 5 x 7 2 6 July 8, 2019 16 32 64 128 X3 2x 1 5 7 2 x 2 x 6 3x 7 x 1 )= 2 6x 5 )- 2x 2x 1 5 3 y 2 7 2x 3y 1 6 x 2x 7 2 x 2 5
