2,13=[tex] \frac{213}{100} [/tex]
4,0(1)=[tex] \frac{401-40}{90} = \frac{361}{90} [/tex]
9,33=[tex] \frac{933}{100} [/tex]
10,11(5)=[tex] \frac{10115-1011}{900}= \frac{9104}{900} [/tex]
4,7(8)=[tex] \frac{478-47}{90}= \frac{431}{90} [/tex]
4,0(1)=[tex] \frac{401-40}{90} = \frac{361}{90} [/tex]
6,(123)=[tex] \frac{6123-6}{999}= \frac{6117}{999} [/tex]
12,(81)=[tex] \frac{1281-12}{99}= \frac{269}{99} [/tex]
