Respostas

2014-03-22T21:05:08-03:00
25-{51-[10+6x(8-8)+5]-16}:5
25-{51-[10+6x0+5]-16}:5
25-{51-[10+5]-16}:5
25-{51-15-16}:5
25-{51-31}:5
25-20:5
25-4
21
1 5 1
Muito obrigada!!!!!!!!!!!!!!!!!!!