4 5 2 3 12 July 8, 2019 16 32 64 128 1 2 3 4 5 to 12 1 2 x 3 4 )= 5 12 1 2 3 4 5 to 125 5 12z 4 9z 2 3 5 2 3 4 12 x 4 2 3 plus 5 1 12 4 5 12 minus 2 3 4 5 x 3 2 4 129 5 k 4 )= 2 2.5k 3 )+ 12 1 4 5 puzzle 2 5 12 3 6 answer 12h benzo 4 5 thieno 2 3 a carbazole 4 5 12 3 7 x 2 12 1 4 minus 5 2 3 5 12 blank 5 4 2 3