Respostas

A melhor resposta!
2014-03-04T17:25:10-03:00
A) {10,12,13,14,15,16,17,18,19}
b) {14,15,16}
c) {10,13,14,15,16,17,18,19,20}
d) {10,13,16}
e) {16}
f) E= {14,15,16} EUC= {10,13,14,15,16,19,20}
g) E= {14,15,16} EUB={ 12,14,15,16,19}
h)E= {14,15,16} E
∩C={16}
3 3 3