Respostas

2013-12-10T18:00:35-02:00
X+40+3x+60=360
4x=360-100
4x=260
x=260/4
x=65
3 3 3
2013-12-10T18:00:40-02:00
x+40+3x+60=360
4x=360-40-60
4x=260
x=260/4
x=65
3 4 3