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Aflati numarul elementelor multimii A={8‚9‚10‚11‚12‚…‚199}
Dau 30 puncte...urgent


Răspuns :

A={8,9,10,11,13.....199} 
Multimea A are 191 de elemente 
[tex]A=\{8,9,10,11,12,...,199\} \\ N_o \ A=199-8=\boxed{191}.[/tex]