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Calculati suma tuturor numerelor care anpartite la 5 dau cat 6

Răspuns :

[tex]a:5=6,r=\ \textgreater \ a=30+r[/tex]
[tex]0 \leq r\ \textless \ 5(teorema)[/tex]
[tex]a=(30,31,32,33,34)[/tex]
[tex]S=30+31+32+33+34=160[/tex]