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Fie D={1,3,5,8,9} stabiliti valoarea de adevăr :a) 1 apartine D; b) 3apartineD; c) 5nuaprtineD ; d) 7 nuaparine D; e) 9apartineD; f) 2nuapartineD​

Răspuns :

Răspuns:

a) adevarat

b) adevarat

c) fals

d) adevarat

f) adevarat