Respostas

2014-05-26T17:24:53-03:00
+5-5+3-6-(+7-8-4)+5-2+5-5+3-6-(+7-12)+5-2+5-5+3-6-(-5)+5-2
0+3-6-(-5)+5-2
3-6-(-5)+5-2             
-3-(-5)+5-2
-3+5+5-2
+2+5-2
+7-2
5
2014-05-26T17:28:17-03:00
5-5+3-6-(+7-8-4)+5-2

5-5+3-6-(-5)+5-2
5-5+3-6+5+5-2
5+3+5+5-5-6-2
     + 18 -  13
           +5