Question

Помогите пожалуйста❤️

Answer 1

Ответ:

Пошаговое объяснение:

1 1/12+1 1/4=1 1/12+1 3/12=2 1/3

2 1/3*1 19/56=7/3*75/56=25/8=3 1/8

2 5/8*1 3/7=21/8*10/7=15/4

15/4*1 1/9=15/4*10/9=25/6=4 1/6

3 1/8+4 1/6=3 3/24+4 4/24=7 7/24

Answer 2

$\displaystyle (1\frac{1}{12}+1\frac{1}{4})*1\frac{19}{56}+2\frac{5}{8}*1\frac{3}{7}*1\frac{1}{9}=((1+1)+(\frac{1}{12}+\frac{1}{4}))*\frac{75}{56}+\frac{21}{8}*\frac{10}{7}*\frac{10}{9}=\\ \\ (2+\frac{1}{3})*\frac{75}{56}+\frac{3}{4}*5*\frac{10}{9}=2\frac{1}{3}*\frac{75}{56}+\frac{1}{2}*5*\frac{5}{3}=\frac{7}{3}*\frac{75}{56}+\frac{25}{6}=\frac{25}{8}+\frac{25}{6}=\frac{175}{24}=7\frac{7}{24}$