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scrie sub forma de fractie ordinara 2,(27)​

Răspuns :

2,(27) = ( 227 - 2 )/99 = 225/99

 

[tex]\displaystyle\bf\\2,\!(27)=\frac{227-2}{99}=\frac{225^{(9}}{99}=\boxed{\bf\frac{25}{11}}[/tex]