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A={x €N <8} ; B={x €N|x <_5} ; C={x €N*|x <_6} ; D={x €N*|x <9} ; E={x €N|3

Răspuns :

A={0,1,2,3,4,5,6,7}
B={0,1,2,3,4,5}
C={1,2,3,4,5,6}
D={1,2,3,4,5,6,7,8}
E=