Respostas

2013-12-11T10:07:55-02:00
25/30 . 7/14 . 3/55 . 11/9 = 
25/55 . 7/14 . 3/30 . 11/9 = 
5/11 . 1/2 . 1/10 . 11/9 = 
5/9 . 1/2 . 1/10 . 11/11 = 
5/10 . 1/2 . 1/9 . 1 = 
1/2 . 1/2 . 1/9 . 1 = 
1/36