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Daca A={-5,-1,0,2,3} si B={-1,2,5,7,8}   Atunci A∩B={....} ?



Răspuns :

intersectie= ce elemente au in comun ambele multimi
A intersectat cu B={-1, 2}
Daca A={-5,-1,0,2,3} si B={-1,2,5,7,8} Atunci A∩B={-1 , 2}