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A={X∈NIX≤10;X:2} X DIVIDE 2    B={X∈NIX≤10;3:X}    C={X∈NIX≤20;X:4}   AUB  A∧C   B∧C   A∧B    CUA   BUC   (AUB)∧C      (AUФ)∧(BUФ)

Răspuns :

A={0,2,4,6,8,10}
B={1,3}
C={0,4,8,12,16,20}
AUB={0,1,2,3,4,6,8,10}
AПC={0,4,8}
BПC=Φ
AПB=Φ
CUA={0,2,4,6,8,10,12,16,20}
BUC={0,1,3,4,8,12,16,20}
(AUB)ΠC={0,4,8}
(AUΦ)Π(BUΦ)=AΠB=Φ
A={0,2,4,6,8,10}
A={1,2,4,6,8,10}
B={1,3, 6,9}
C={1,4,8,12,16,20}
AUB={1,2,3,4,6,8,9,10}
AПC={1,4,8}
BПC={1}
AПB={1,6}
CUA={1,2,4,6,8,10,12,16,20}
BUC={1,3,4,6,8,9,12,16,20}
(AUB)ΠC={1,4,8}
(AUΦ)Π(BUΦ)=Φ