7 5 9 2 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 1 2 3 5 7 9 arithmetic sequence 5 7 9 divided by 1 2 3 1 3 5 7 9 2 x 1 225 7 9 9 5 2 4x2 4 5 1 8 3x100 7 m 2 )- 5 1 3 21m 9 )- 6 1 2 3 5 7 9 next number 5 4x 7 )- 2 3x 1 )= 9 1 2 (- 3x 9 )- 5 7
