Respostas

2014-05-29T10:46:57-03:00
21/7+(5x1-2x2)5+10
3+(5-4)5+10
3+1(5+10)
3+5+10
18
1 5 1
2014-05-29T10:47:25-03:00
21/7+(5x1-2x2)5+10
3+(5-4)5+10
3+(1)5+10
3+5+10
3+15
18
1 5 1