Răspuns :
[tex]\it D_{10} = \{1,\ \ 2,\ \ 5,\ \ 10\}\\ \\ Se\ poate\ forma\ propor\c{\it t}ia:\ \ \ \ \dfrac{5}{1}=\dfrac{10}{2}[/tex]
[tex]\it D_{10} = \{1,\ \ 2,\ \ 5,\ \ 10\}\\ \\ Se\ poate\ forma\ propor\c{\it t}ia:\ \ \ \ \dfrac{5}{1}=\dfrac{10}{2}[/tex]