Respostas

2014-03-20T21:56:45-03:00
A= {1,2,3,5}
B={1,2,5,6,7,8}
C={1,3,7,8,9}
D={1,2,3,5,7,8,9}
1 5 1
2014-03-20T21:58:03-03:00
A) (1,2,3,5)
B) (1,2,5,6,7,8)
C) (1,3,7,8,9)
D) (1,2,3,5,7,8,9)
1 5 1