X 12 5 6 1 2 July 8, 2019 16 32 64 128 X phần 12 5 6 1 2 5 6 x 1 2 )= 65 12 2x2 5 6 x 1 12 − 5 6 x − 1 2y 12 Frac 5 6 x 12 le frac 1 2 70 12 5 x 2 1 6 12 x 6 + 5 12 x 6 x 5 12 x 5
