12 x 3 = 81 July 8, 2019 16 32 64 128 12 х 3 81 3 x 12 81 33 9 x 3 81 12 7 14 x 3 81 7 12 12 82 3 2 x 81 12 82 3 )-( 2 x 81 solution 3 12 x 2 81 81 12 x 3 4 12 ×1=12 81+ x 11 12 8*x=33 28 12 x = 818