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Vicutamicuta11
a fost răspuns

fie multimea A={11,13,21,31,49,55} B={13,31,48,55} C={11,13,21,48}

Fie Multimea A111321314955 B13314855 C11132148 class=

Răspuns :

a) AUB={11,13,21,31,48,49,55};

A intersectat B={13,31,55};

AUC={11,13,21,31,48,49,55};

A intersectat C={11,13,21};

AU(B intersectat C)={11,13,21,31,48,49,55}


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