se consideraultimile :A={X€IN|5<X<_10} ,B=Y€A|Ypar}, C={Y€B|Yse divide cu 5}.
Determinati:
A\B


Răspuns :

A={ 6,7,8,9,10}
B={6,8,10}
C={10}
A\B={ 7,9}
Sper ca e ok asa!