Question

1 целая 5/6:(2/3-2/7) сразу спасибо

Answer 1

$\displaystyle \tt 1\frac{5}{6}:\bigg(\frac{2}{3}-\frac{2}{7}\bigg)=\frac{11}{6}:\frac{14-6}{21}=\frac{11}{6}\cdot\frac{21}{8}=\frac{231}{48}=4\frac{13}{16}=4,8125;$