2 1 2 x 9 3 4 July 8, 2019 16 32 64 128 7 1 2 x 9 3 4 6 1 2 x 9 3 4 5 1 2 x 9 3 4 3 1 2 x 8 1 2 x 9 3 4 2 1 4x )/ 5 9 3 2 x 1 2 (- 4 6x )= 1 3x 2 3 x 9 2 9 x 2 1 3 2 3x 5 4 9x 2 1 2 x 3 4 9 as a fraction 10 1 2 x 9 3 4 2 3 1 2 x 9 4 2 bằng bao nhiêu X 3 2 1 2 4x 9 2x 3