Question

Помогите номер 4 сделать

Answer 1

а)$frac{22.8}{5.7}=4$
б)$3frac{1}{8}:1frac{1}{4}= frac{25}{8}: frac{4}{5}= frac{5}{2}=2.5$
в)$frac{4.8- 5frac{2}{5}: 1frac{4}{5} }{2.4* frac{7}{8}-1.5 } = frac{4.8-5.4:1.8}{2.4*0.875-1.5}= frac{4.8-3}{2.1-1.5}= frac{1.8}{0.6}=3$