[tex]\it 12,(7) =12\dfrac{7}{9} = \dfrac{115}{9}[/tex]
[tex]\it 54,(81) = 54\dfrac{\ 81}{99}^{(9} =54\dfrac{9}{11}=\dfrac{603}{11}[/tex]
[tex]\it 72,(603) = 72\dfrac{\ 603^{(9}}{999} =72\dfrac{67}{111}=\dfrac{8095}{111}[/tex]
[tex]\it 192,8=\dfrac{1928^{2)}}{10} =\dfrac{964}{5}[/tex]
[tex]\it52,012 =\dfrac{52012^{(4}}{1000}=\dfrac{13003}{250}[/tex]
[tex]\it 31,48 = \dfrac{3148^{(4}}{100} = \dfrac{787}{25}[/tex]
[tex]\it \dfrac{308}{75}=308:75= 4, 10(6)[/tex]
