Question

Решите выражение по действиям!​

Answer 1

$2\frac{1}{3} *\frac{6}{7} -2\frac{1}{4} :5\frac{3}{4} \\1) 2\frac{1}{3} *\frac{6}{7} =\frac{2*3+1}{3} *\frac{6}{7}=\frac{7}{3}*\frac{6}{7}=\frac{7*6}{3*7} =2\\2) 2\frac{1}{4} :5\frac{3}{4}=\frac{2*4+1}{4} :\frac{5*4+3}{4} =\frac{9}{4} :\frac{23}{4} =\frac{9}{4} *\frac{4}{23}=\frac{9*4}{4*23} =\frac{9}{23} \\3) 2-\frac{9}{23}=\frac{2*23}{23} -\frac{9}{23}=\frac{46}{23} -\frac{9}{23}=\frac{46-9}{23} =\frac{37}{23} =1\frac{14}{23}$

Ответ: $1\frac{14}{23}$