Resposta :
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
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