2x 4 7 x 3 4 July 8, 2019 16 32 64 128 3 4 2x )- 5 7 3 x 4 3x 7 4 2x 3 x 4 2 4 2x 2 )- 3 x 7 )=- 4 2x 3 5 x 3 4 4x 1 7 8 x 3 )- 5 2x 4 )= 6x 7 x 4 4 15 3 2x 4 ))- 13 7 x 1 )- 39 2x 4 7x 3 4x 2 27x 18 2x 4 7x 3 4x 2 2x 3 5x 7 47 x 4 2x 7 6 x 3 4 x 4 4x 7 2x 1 x 3 x 4 68x 7 x 1 4 2x 3 40
