Respostas

2013-11-21T11:18:02-02:00
1/4 = 0,25 
0,25 x 1000= 250m
10 3 10
2013-11-21T11:20:15-02:00
1 km → 1000 m

1/4 de 1000
1/4.1000 =250 m

4 3 4