X 3 14 7 15 July 8, 2019 16 32 64 128 3 7 x 14 15 as a fraction 14 15 x 3 7 3 5 3 2 x 11 14 x 7 15 1 2 x 3 7 x 14 15 7 15 x 3 14 13 phần 20 14 x 7 14 / 15 = 3 / x 14 x 3/7
