4 4 7 3 1 2 July 8, 2019 16 32 64 128 4 4 7 x 3 1 2 5 4 7 3 1 2 4 6 7 3 1 2 4 5x 4 )+ 3 2x 1 )= 7 4 2 3x )- 7 3 x 1 )+ 4 4 3 4 e 2 7 1 2 e 8
