0 25 x 1 6 July 8, 2019 16 32 64 128 0 4 x 1 =( 6 25 6x 5 6 2 3 x 0 25 2 1 6 25 x 5 x 1 6 0 0 25 25 x 39 1 4 x 60 0 25×1 6 0 25 - 0 6