25 x 1 5 6 July 8, 2019 16 32 64 128 25 x 125 6 5 x 1 0 4 x 1 =( 6 25 6x 5 25 x 5 1 x 6 0 6 x 1 5 )= 25 2 1 25 x 6 1 5 x 1 125 0 25 x 1 64 5 2 6 25 1 2 x 5 )( 4x 6 45 6 25 x 1 25 5 Phương trình 5 x 25 x 1 6 25 x 1 5
