Răspuns:
Explicație pas cu pas:
[tex]\bf ~~M_{ 2} = \{0,2,4,6,8\}[/tex]
[tex]\bf~~M_{ 5} = \{0,5,10,15,20\}[/tex]
[tex]\bf~~ M_{ 6} = \{0,6,12,18,24\}[/tex]
[tex]\bf~~ M_{ 12} = \{0,12,24,36,48\}[/tex]
[tex]\bf ~~M_{ 15} = \{0,15,30,45,60\}[/tex]
[tex]==pav38==[/tex]