4 7 2 3 14 July 8, 2019 16 32 64 128 4 7 2 3 * x 9 14 4 7 x 14 3 2 3 14x3 7 2 4 3 2 3 4 7 and 14 1 of the model articles Find 4 / 7x14 / 3 / 2 / 3
