Question

(15:2 6/7 + 3/4):36
дам 100 баллов​

Answer 1

$\displaystyle (15:2\frac{6}{7}+\frac{3}{4}):36=(15:\frac{20}7}+\frac{3}{4}):36=(15*\frac{7}{20}+\frac{3}{4}):36=(3*\frac{7}{4}+\frac{3}{4}):36=\\ \\ (\frac{21}{4}+\frac{3}{4}):36=6:36=\frac{6}{36}=\frac{1}{6}$