3 5 x 120 July 8, 2019 16 32 64 128 3 5 x 1200 3 5 x 12000 1 2 3 4 5 x 120 5 1 3 x 120 Log 5 120 x 3 35 5 x (- 3 120 4 120 x 3 5 bằng bao nhiêu