Respostas

  • Usuário do Brainly
2014-05-08T01:50:22-03:00
A U B= {0,1,2,3,4,5,6,7,8}
B C A= {3,4,5}
A - B= {0,1,2}
B - A={ 6,7,8}
1 5 1
2014-05-08T02:31:23-03:00
A) {0;1;2;3;4;5;6;7;8}
b) {3;4;5}
c) {0;1;2}
d) {6;7;8}