Respostas

2014-05-26T19:19:10-03:00
- 8 +(8.2 - 7.3 + 3.2=
-8 +(16-21+6)=
-8 +1= -7
2014-05-26T19:28:49-03:00
-8 +(16 -21 +6)
-8 + (22-21)=
-8 + 1=
-7