Răspuns:
[tex]\bf a)~25?~\in~M_{3}\implies 25\purple{\underline{2}};~25\purple{\underline{5}};~25\purple{\underline{8}} ~\in ~M_{3}[/tex]
[tex]\bf b)~6?~\in~M_{5}\implies 6\blue{\underline{0}};~6\blue{\underline{5}} ~\in ~M_{6}[/tex]
[tex]\bf c)~35?~\in~M_{10}\implies 35\red{\underline{0}}~\in ~M_{10}[/tex]
