Respostas

2013-11-04T00:44:00-02:00
4.320 / 60 = 72
72 x 2 = 144
3 5 3
2013-11-04T00:45:12-02:00
60 - 2
4.320 - x  

regra de 3 meu amigo
r: 144
2 5 2