Respostas

2014-02-20T21:57:47-03:00
-39-{-2•[-3•8-(3•5-36/6)-(-4•4)]}
-39-{-2•[-3•8-(15-6)-(-16)]}
-39-{-2•[-3•8-15+6+16]}
-39-{-2•[-24+7]
-39-{-2•(-17)]
-39-{34}
-39-34
-73