Question

помогите с 4 пожалуйста срочно

Answer 1

$frac{(0,5:1,25+ frac{7}{5}:1 frac{4}{7}- frac{3}{11})*3}{(1,5+ frac{1}{4}:18 frac{1}{3} ) } =32\\1)0,5:1,25= frac{5*100}{10*125} = frac{10}{25}= frac{2}{5}\\2) frac{7}{5} : 1frac{4}{7}= frac{7*7}{5*11} = frac{49}{55}\\3) frac{2}{5} + frac{49}{55} - frac{3}{11}= frac{22+49-15}{55}= frac{56}{55} \\4)frac{3*56}{55}= frac{168}{55}\\5) frac{15}{10} + frac{1}{4}= frac{30+5}{20} = frac{35}{20}<span>$$6) frac{35}{20} : frac{55}{3}= frac{35*3}{20*55}= frac{21}{220}\\7) frac{168}{55} : frac{21}{220}= frac{168*20*11}{55*21} =32$