3 7 x 14 7 July 8, 2019 16 32 64 128 X 3 3/14 = 7 2 7 x 3 7 x 2 7 14 3 7 1 7 x 3 14 3 14 x 7 5 x 7 5 7 x 3 )- 14 70 2 7 3 7 x 14 9 3 14 x 0 7 x 0 7 4 7 x 14 )= 2 3 x 7 3 7 1 7 chia x 3 14 7 12 3 7 x 14 9 3 14 x 7 x 7 bằng bao nhiêu