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URGENTTTTTTTTTTTT!!!DAU COROANA LA PRIMUL(sa fie si corect)
A={2,4,5}
B={5,3,6,1}
AuB=?
AnB=?
A-B=?
B-A=?




Răspuns :

AuB={1,2,3,4,5,6}
AnB={5}
A-B={2,4}
B-A={1,3,6}
AUB = {2,4,5,3,6,1} ordonat elegant {1,2,3,4,5,6}-TOATE ELEM.MULTIMILOR
AnB={5} - ELEM.COMUNE MULTIMILOR
A/B={2,4}-ELEM.DOAR IN {A}
B/A={1,3,6} - ELEM.DOAR IN {B}