Respostas

2013-11-06T10:52:01-02:00
X+y = 58
x-y = 12
---------------
2x = 70
x = 70/2
x = 35
x+y = 58
y = 58-x
y = 58-35
y = 23
6 3 6
2013-11-06T10:52:34-02:00
X+y = 58
x-y = 12
---------------
2x = 70
x = 70/2
x = 35
x+y = 58
y = 58-x
y = 58-35
y = 23
eu acho que e isso
2 5 2