1 5 6 7 12 July 8, 2019 16 32 64 128 5 1 7 6 7 z 12 17 1 5 2 1 6 x 8 1 7 12 7 12t 1 4 5 6 Tính 1 5 6 7 12 1 5 6 divided by 7 12 1 3x 5 6 ≥ 7 12 7 12 1 5 6 d 4 5 6 x 7 12 1 3 2 7 x 1 5 6 7 12 5 6 x 7 12 1 3 5 12 x 1 1 6 =- 7 12
