7 2 9 5 1 3 July 8, 2019 16 32 64 128 7 9 2 3x 1 9x 5 3 7 * 9 x 2 3x 1 5 * 6 7 m 2 )- 5 1 3 21m 9 )- 6 7 1 3 divided by 9 2 5 5 4x 7 )- 2 3x 1 )= 9 1 2 (- 3x 9 )- 5 7
