Respostas

2014-05-12T20:55:00-03:00
18/42 por 2=9/21 por 3=3/7
24/32 por 2=12/16 por 2= 6/8 por 2= 3/4
4/20 por 4=1/5
3 3 3
2014-05-13T07:30:16-03:00
18/42 (:2) = 9/21 (:3) = 3/7

24/32 (:2) = 12/16 (:2) = 6/8 (:2) = 3/4

4/20 (:2) = 2/10 (:2) = 1/5
1 2 1