3 mũ 4x 1 27 mũ x 3 July 8, 2019 16 32 64 128 3 mũ 4 x 1 27 mũ x 3 1 3 mũ x 3 1 3 mũ x 2 4 27 3) m ^ 3 + 27n ^ 3 4) 1x ^ 6 - 1 3 ^ (4 - x) = 27 1) (m - 3) ^ 2
