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Fie multimile:A={3,4,5},B={5,6,7,8},C={2,4,8},K={i,3,5,7}Alati:
a)AUB
b)AUK
c)BUC
d)CUK


Răspuns :

AUB={3,4,5,6,7,8}
AUK={i,3,4,5,7}
BUC={2,4,5,6,7,8}
CUK={i,2,3,4,5,7,8}