5 x 4 3 5 x 3 2 5 11 July 8, 2019 16 32 64 128 5 mũ x 4 3 x 5 mũ x 3 2 x 5 mũ 11 5 x 5 x 5 x 5 x 5 5 x 5 x 5 3 x-5=x+3
