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Cum se scoate aceasta perioada 1,(3)?

Răspuns :

1,(3) = [tex] \frac{13-1}{9} = \frac{12}{9} = \frac{4}{3} [/tex]
[tex]\displaystyle \boxed{1,(3)= \frac{13-1}{9} = \frac{12}{9} ^{(3} = \frac{4}{3} }[/tex]