Respostas

2014-03-01T18:04:30-03:00
1 km .............................. 100000 cm
5,8 km............................. x cm

x = 580000 cm
6 3 6
2014-03-01T18:05:07-03:00
1 km ---------------- 100 000 cm
5,8 km -------------- x

x = 5,8 . 100 000
x = 580 000 cm 

5,8 km = 580 000 cm
2 3 2