Respostas

2013-11-17T20:20:24-02:00
2 * 1,5 * x = 9
3 * x = 9
x = 9/3
x = 3m

1 4 1
2013-11-17T20:21:47-02:00
9=2 * 1.5 * largura
9 = 3 * largura
9/3 = largura
3 m2= largura
1 4 1