Będę wdzięczna , szybko ☺️

Odpowiedź:
[tex]a)\frac{8}{1\frac{2}{3} } =\frac{8}{\frac{5}{3} } =\frac{25}{5} =4\frac{4}{5}[/tex]
[tex]b)\frac{\frac{1}{2}*\frac{5}{6} }{5} =\frac{5}{\frac{12}{5} } = \frac{1}{12}[/tex]
[tex]c)\frac{\frac{1}{3} }{1\frac{4}{9} } =\frac{\frac{1}{3} }{\frac{13}{9} } =\frac{3}{13}[/tex]
[tex]d)\frac{13}{2\frac{1}{6}*\frac{3}{4} } =\frac{13}{\frac{13}{6}*\frac{3}{4} } =\frac{13}{\frac{13}{2} *\frac{1}{4} } =\frac{13}{\frac{13}{8} } =8[/tex]
[tex]e)\frac{1}{3} * \frac{1\frac{1}{2} }{\frac{2}{3} } =\frac{1}{3}*\frac{\frac{3}{2} }{\frac{2}{3} } =\frac{1}{3} *\frac{9}{4} =\frac{1}{3} *\frac{9}{4} =\frac{3}{4}[/tex]
[tex]f) \frac{2}{7} :\frac{\frac{1}{7} }{3} =\frac{2}{7} :\frac{1}{21} =\frac{2}{7} *21=2*3=6[/tex]
Dziękuję i pozdrawiam !