Respostas

2014-08-13T19:14:37-03:00
Dobro: 5x. 2= 10x
Metade: 5x/2 = 2,5x
2014-08-13T20:48:34-03:00
Dobro-->5x.2=10x
metade-->5x:2=2,5x
1 5 1