3 x 4 )- 2 x 6 )= 18 x July 8, 2019 16 32 64 128 3 x 4 4 x 6 9 x 2 18 Tính nhanh 3 x 4 4 x 6 9 x 2 18 18 / 6 x (4 - 3) + 6 18 / 3 + 4 х 3 3(x + 4) = 18
