5 7 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 6 7 9 x 4 3 1 2 5 7 9 divided by 1 2 3 1 3 5 7 9 2 x 1 225 5 4x 7 )- 2 3x 1 )= 9 1 2 3 5 7 9 next number 5 2 1 3 x 9 2 6 7 5 x 2 )- 7 x 1 )= 9 3 2x 1 2 (- 3x 9 )- 5 7
