0,(142857)= [tex]\dfrac{142857}{999999}[/tex]= [tex]\dfrac{15873}{111111}[/tex]
1,(572)= [tex]\dfrac{1572-1}{999}[/tex]= [tex]\dfrac{1571}{999}[/tex]=
0,4(12)= [tex]\dfrac{412-4}{990}[/tex]= [tex]\dfrac{408}{990}[/tex]= [tex]\dfrac{204}{495}[/tex]
4,(045)= [tex]\dfrac{4045-4}{999}[/tex]= [tex]\dfrac{4041}{999}[/tex]= [tex]\dfrac{449}{111}[/tex]
