Răspuns :
[tex]0,(4)=\frac{4}{9}\;;\;1,2(3)=\frac{123-12}{90}=\frac{111^{(3}}{90}=\frac{37}{30}\;;\\
\Rightarrow\\
\frac{4}{9}:\frac{37}{30}=\frac{4}{9}\cdot\frac{30}{37}=\frac{40}{111} \surd\surd[/tex]
\Rightarrow\\
\frac{4}{9}:\frac{37}{30}=\frac{4}{9}\cdot\frac{30}{37}=\frac{40}{111} \surd\surd[/tex]