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se dau multimile: A={5,6,7}; B={0,2,5,6}. Determinati multimile:
a) C={a supra b/ a∈A,b∈B,a supra b echiunitara};
b) D={a supra b/ a∈A,b∈B,a supra b subunitara};
c) E={a supra b/ a∈A,b∈B,a supra b supraunitara};


Răspuns :

C={5/5, 6/6}
D={5/6}
E={5/2,,6/2,6/5,7/2,,7/5,7/6}