$\frac{3}{4}:\frac{5}{7}=\frac{3}{4}\cdot \frac{7}{5}=\frac{21}{20}=1\frac{1}{20}$  

$\frac{3}{5}:\frac{2}{9}=\frac{3}{5}\cdot \frac{9}{2}=\frac{27}{10}=2\frac{7}{10}$  

$4:\frac{5}{3}=4\cdot \frac{3}{5}=\frac{12}{5}=2\frac{2}{5}$  

$\frac{5}{9}:\frac{3}{11}=\frac{5}{9}\cdot \frac{11}{3}=\frac{55}{27}=2\frac{1}{27}$  

$\frac{5}{7}:4=\frac{5}{7}\cdot \frac{1}{4}=\frac{5}{28}$  

$7:\frac{3}{4}=7\cdot \frac{4}{3}=\frac{28}{3}=9\frac{1}{3}$  

$\frac{7}{9}:\frac{5}{8}=\frac{7}{9}\cdot \frac{8}{5}=\frac{56}{45}=1\frac{11}{45}$  

$\frac{5}{13}:3=\frac{5}{13}\cdot \frac{1}{3}=\frac{5}{39}$  

$\frac{5}{39}$

$\frac{5}{28}$

$\frac{13}{56}$

$1\frac{1}{20}$

$1\frac{11}{45}$

$1\frac{1}{3}$

$2\frac{1}{27}$

$2\frac{2}{5}$

$\frac{27}{10}$

$3\frac{1}{5}$

$5\frac{4}{5}$

$\frac{81}{4}$

$9\frac{1}{3}$

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Hasło: OPERETKA