36. [m]\frac{29}{4} : 5 \frac{4}{5} - \frac{3}{4} \cdot (3 - 1 \frac{19}{30}) = \frac{29}{4} : \frac{29}{5} - \frac{3}{4} \cdot (\frac{90}{30} - \frac{49}{30}) = \frac{29}{4} \cdot \frac{5}{29} - \frac{3}{4} \cdot \frac{41}{30} =[/m]
[m]= \frac{5}{4} - \frac{41}{40} = \frac{50}{40} - \frac{41}{40} =\frac{9}{40}[/m]
37. [m]\frac{14}{15} - \frac{9}{5} : (7 - 4 \frac{3}{7}) + \frac{3}{5} = \frac{14}{15} - \frac{9}{5} : (\frac{49}{7} - \frac{31}{7}) + \frac{3}{5} = \frac{14}{15} - \frac{9}{5} : \frac{18}{7} + \frac{3}{5} =[/m]
[m]= \frac{14}{15} - \frac{9}{5} \cdot \frac{7}{18} + \frac{3}{5} = \frac{14}{15} - \frac{7}{10} + \frac{3}{5} = \frac{28}{30} - \frac{21}{30} + \frac{18}{30} = \frac{25}{30} = \frac{5}{6}[/m]
38. [m]\frac{46}{50} : (\frac{7}{20} - \frac{11}{15}) + 3 \cdot 1 \frac{11}{15} = \frac{23}{25} : (\frac{21}{60} - \frac{44}{60}) + 3 \cdot \frac{26}{15} = \frac{23}{25} : (- \frac{23}{60}) + \frac{26}{5} =[/m]
[m]= -\frac{23}{25} \cdot \frac{60}{23} + \frac{26}{5} = -\frac{60}{25} + \frac{26}{5} = - \frac{12}{5} + \frac{26}{5} = \frac{14}{5}[/m]