3 4 x 8 21 July 8, 2019 16 32 64 128 8 x 4 )+ 3 2 x )=- 21 3 4 7 8 x 21 2 3 8 x 4 21 as a fraction 8 x 4 21 3 5 21 8 x 3 4 bằng bao nhiêu 21 3/4 x 2 3 4×2 8
