12 x 6 x 1 8 * 3 x 0 July 8, 2019 16 32 64 128 8 x mũ 3 12 x mũ 2 6 x 1 0 8 x mũ 3 trừ 12 x mũ 2 6 x 1 0 12 ×1=12 12 x 6 + 1 12 x 1 1/6
