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ajutor la exercitiul 1

Ajutor La Exercitiul 1 class=

Răspuns :

A={1,2,3}
B={2,4,6}
C={3,5,7}
a)AnB={2}
b)AnC={3}
c)BnC={multime disjuncta Ф)
d)AUB={1,2,3,4,6}
e)AUC={1,2,3,5,7}
f)BUC={2,3,4,5,6,7}
g)A/b={1,3}
h)A/C={1,2}
i)Ф/C={Ф}