6 1 2 x 7 8 July 8, 2019 16 32 64 128 6 1 2 x 5 7 8 6 7 1 2 x 3 4 5 8 3 6 x 1 2 7 8 6 5 1 2 3 4 x 6 7 8 9 1 1 2 x 3 8 7 6 6 (- 1 2x )+ 7 =- 83 6 7 3 8 1 2 x 4 3 8 1 6 x 2 4 7 1 2 2x 6 )- 7 x 8 )- 1 0 6 x 7 1 2 x 45 1 8 6 7 8 x 10 1 2 1 2 x 4 3 5 6 divided by 7 8 Simplify 6 7 3 8 1 2 x 4 3 0 6 x 7 1 2 x 45 1 8 tính nhanh