Ответ: пасибо

Ответ:

[tex]1 \frac{5}{6} \div ( \frac{2}{3} — \frac{2}{7} )[/tex]

[tex] \frac{11}{6} \div ( \frac{14}{21} — \frac{6}{21} )[/tex]

[tex] \frac{11}{6} \div \frac{8}{21} [/tex]

[tex] \frac{11}{6} \times \frac{21}{8} = \frac{11}{2} \times \frac{7}{8} = \frac{77}{16 } = 4 \frac{13}{16} [/tex]