0 1 2 4 6 8 July 8, 2019 16 32 64 128 0 8m 2 4 0 4m 1 6 0 4 y 6 8 1 2 0 4 xy 6 8 x 1 2 0 4 xy 6 8 x 1 2 vậy y 0 4 xy 6 8 x 1 2 là y
