3 2 * 9 81 July 8, 2019 16 32 64 128 3 x 2 9 x 81 3 x 2 9 x 1 810 3 x 2 9 x 1 810 0 9 x 3 2 1 81 3 1 a )( 9a 2 9a 9 )+ 81a a 1 3 x 2 )* 9 x 5 )= 1 81
