[tex](0,2+ \frac{1}{2} +0,02*10):[(0,35+ \frac{8}{20})*10- \frac{65}{10}] =
\\ ( \frac{1}{5} + \frac{1}{2} + \frac{1}{50} *10):[( \frac{7}{20}+ \frac{8}{20})*10- \frac{13}{2}]= \\ ( \frac{2}{5} + \frac{1}{2}): ( \frac{15}{20} *10- \frac{13}{2} )= \\ \frac{9}{10} :1= \frac{9}{10} [/tex]
