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Fie multimile A={3,4,5,6}, B={1,2,3}, C={6,9}, D={1,2,3}, G={3,4,5}.
Aflati multimea P=(Ain intersectieB)in reuniuneC.


Răspuns :

P={3} cind A si B se intersecteaza
P={3,6,9} in reuniune cu C