1 7 3 1 7 4 July 8, 2019 16 32 64 128 1 3 7 1 4 5 7 1 3 divided by 1 4 7 1 3 1 4 7 8 X 1 7 =- 4 3 1 7 1 7 4x 5 1 7 2x 3 − 1 7 3 7 − 1 4a
