Найди частное: a) 5 4/15 : 2 2/3

a) $5\frac{4}{15} : 2\frac{2}{3} = \frac{79}{15} : \frac{8}{3} = \frac{79}{15} \cdot \frac{3}{8} = \frac{79}{5 \cdot 8} = \frac{79}{40} = 1\frac{39}{40}$ б) $2\frac{8}{9} : 3 = \frac{26}{9} : \frac{3}{1} = \frac{26}{9} \cdot \frac{1}{3} = \frac{26}{27}$ в) $\frac{32}{52} : \frac{64}{131} = \frac{32}{52} \cdot \frac{131}{64} = \frac{1}{52:32} \cdot \frac{131}{2} = \frac{1}{1,625} \cdot \frac{131}{2} = \frac{131}{3,25} =40,31$ г) $9 : \frac{64}{125} = \frac{9}{1} : \frac{64}{125} = \frac{9}{1} \cdot \frac{125}{64} = \frac{1125}{64} = 17,58$ д) $9 : 3\frac{4}{9} = \frac{9}{1} : \frac{31}{9} = \frac{9}{1} \cdot \frac{9}{31} = \frac{81}{31} = 2,61$ e) $9 : 4 = \frac{9}{4} = 2,25$ ж) $1\frac{3}{7} : 1\frac{1}{14} = \frac{10}{7} : \frac{15}{14} = \frac{10}{7} \cdot \frac{14}{15} = \frac{10}{1} \cdot \frac{2}{15} = \frac{20}{15} = 1,33$ з) $2\frac{1}{3} : 7 = \frac{7}{3} : \frac{7}{1} = \frac{7}{3} \cdot \frac{1}{7} = \frac{1}{3} = 0,33$ и) $5\frac{15}{38} : 3\frac{8}{19} = \frac{205}{38} : \frac{65}{19} = \frac{205}{38} \cdot \frac{19}{65} = \frac{205}{2} \cdot \frac{1}{65} = \frac{205}{130} = 1,57$ к) $4\frac{17}{36} : 1\frac{19}{6} = \frac{161}{36} : \frac{25}{6} = \frac{161}{36} \cdot \frac{6}{25} = \frac{161}{6} \cdot \frac{1}{25} = \frac{161}{150} = 1,07$