Question

se dau mltimile
A={x|x apartine NR naturale si x mi mic sau egal cu 3 }
B={x| x apartine nr nat si x+2 = 5 }
determinati reuniunea intersectia si diferenta multimilor AsiB

Answer 1

A={0,1,2,3}
B={3}
A intersectat B= {3}
A reunit B= {0,1,2,3}
A - B ={0,1,2}
B-A = Ф