5 mũ 3 x 35 4 mũ 3 x 7 July 8, 2019 16 32 64 128 5 x 3 mũ 2 4 x 2 mũ 3 35 7 5 x 7 = 35 5 x 5 x 5 x 5 x 5 5 x 5 x 5 5 ' 3 x7 ' 7
