1 3 4 9 12 July 8, 2019 16 32 64 128 1 3 x 9 4 x 12 2 1 3 4 x 9 1 4 x 12 lvl 1 3 4 9 x 12 1 3 9 6m )+ 1 4 12m 8 1 3 4 x 9 1 2 x 12 lvl 3 8 x 4 9 1 12 X 1 2 3 4 y 3 6 9 12 Tính 3 8 x 4 9 1 12
