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ajutatima va rogggg.Scrieti 2 multimi disjunctea caror reuniuni sa fie multimea {1,2,3}.Determinati toete solutiile

VA ROGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG


Răspuns :

123,132,213,231,321,312 Astea sunt

Salut,

{1} U {2,3}

{2} U {1,3}

3 U {1,2}

Ф U {1,2.3}, unde Ф e mulţimea vidă.

Green eyes.