Respostas

2014-05-08T17:53:45-03:00
A melhor resposta!
2014-05-08T17:55:31-03:00
A) 5+9-2 = 12
b) -12-5+2 = -15
c)6+5+3-8-2 = 4
d) -16+8 = -8
e)-6-1-3+6 = -4 
2 5 2