6 x 5 216 July 8, 2019 16 32 64 128 6 5 x 216 125 6 mũ 2 x 5 216 6 2x 5 216 x − 4 6 5 x 5 6 2x 125 216 6 5 mũ x 216 125 6 x 216 6x = 216
