Răspuns :
A={C,A,N,I,O}
B={B,R,A.S,O,V}
C={S,C,Ă,R,I}
AUB={ C,AN,I O,B,R,S,V}
BnC={A,O}
A\C={ A,N ,O}
B={B,R,A.S,O,V}
C={S,C,Ă,R,I}
AUB={ C,AN,I O,B,R,S,V}
BnC={A,O}
A\C={ A,N ,O}
A = { C,A,N,I,O,}
B={B,R,A,S,O,V}
C={S,C,A,R,I}
A U B = {C,A,N,I,O,B,R,S,V}
B intersectat C ={ ´R,A}
A-C= {N,O,A}
B={B,R,A,S,O,V}
C={S,C,A,R,I}
A U B = {C,A,N,I,O,B,R,S,V}
B intersectat C ={ ´R,A}
A-C= {N,O,A}