Respostas

2014-06-23T18:41:33-03:00
12/24:2=6/12:2=3/12:3=1/4
18/27:3=6/9:3=2/3
14/28:2=7/14:7=1/2
20/30:2=10/15:5=2/3
20/32:2=10/16:2=5/8
6/33:3=2/11
15/35:5=3/7
24/36:2=12/18:2=6/9:3=2/3
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