15 7 x 14 3 July 8, 2019 16 32 64 128 3 7 x 14 15 as a fraction 7 15 x 11 14 x 5 3 7 x 14 )+ 20 5 x 3 )- 15 14 15 x 3 7 3 5 7 15 x 3 14 13 phần 20 15 x 14 14 x 7 15 x - 7 15 x 73 15 × 7
