transformati in fractie ordinara ireductibila numarul 1,(3)
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Răspuns :

[tex]1(3) = \frac{13 - 1}{9} = \frac{12}{9} = \frac{4}{3} [/tex]
Baftă!
[tex]1,(3)\,=\,1\frac{3}{9}=1\frac{1}{3}=\frac{3\cdot1+1}{3}=\frac{4}{3}[/tex]