[tex]7.a)0,2(5):0,(5)= \frac{25-2}{90}: \frac{5}{9} =\frac{25-2}{90}\cdot \frac{9}{5}= \frac{23}{10} \cdot \frac{1}{5}= \frac{23}{50} [/tex][tex]b) 2,(3):\frac{5}{6} = \frac{23-2}{9}\cdot \frac{6}{5}= \frac{14}{5} \\ \\c) \frac{2}{9}:0,(3)= \frac{2}{9} : \frac{3}{9}= \frac{2}{9} \frac{9}{3} = \frac{2}{3} \\ \\d) \frac{69}{11} :2,(09)= \frac{69}{11}: \frac{209-2}{99} = \frac{69}{11}\cdot \frac{99}{207}= \frac{69\cdot9}{207} \\ \\e) 0,95: \frac{38}{20}= \frac{95}{100}\cdot \frac{20}{38} = \frac{1}{2} [/tex]
[tex]f)0,8(2)}:0,(3)= \frac{82-8}{90} : \frac{3}{9}= \frac{74}{90}\cdot \frac{9}{3} = \frac{74}{30} [/tex]
