Question

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

VA ROGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG

Answer 1

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

Answer 2

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.