7 4 9 2 1 3 July 8, 2019 16 32 64 128 7 2 9 4 1 3 х 9 2 3 x 4 9 1 2 3 7 x 0 7 1 2 x 9 3 4 2 3 2x 7 )= 9 4 3x 1 4 3x 2 9 1 3x )=- 7 3x 9 4 1 3 2 7 9 as a fraction 9 z 1 )- 2 3z 4 )= 7
