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Ajutor!Ultimul exercitiu!!!

AjutorUltimul Exercitiu class=

Răspuns :

x∈N, x≤3 , A={0,1,2,3}
x+2=5, x=5-2, x=3 B={3}
A∪B={0,1,2,3}
A∩B={3}
A-B={0,1,2}
A=0,1,2,3
B=3
AUB=0,1,2,3
AintersectatB=3
diferenta=0,1,2