7 9 x 5 14 July 8, 2019 16 32 64 128 9 4 x 5 14 1 7 7 9 x 3 14 5 8 7 9 x 3 14 chia 5 8 7 27 x 5 14 x 9 25 9 10 x 7 3 x 5 14 1 7 x (- 10 9 (- 5 14 7 9 x 8 5 x 3 14 x 15 5 7 x 9 20 x 14 3 2x 5 3y 7 9 x 10y 14 2 9 x (- 3 7 x 14 5 Tính 7 9 x 3 14 5 8 7 9 x 3 14 chia 5 8 bằng
