Question

Помогите решить пример
(5 3/11-2 7/55)*44/173+5/13:7/39=?

Answer 1

$(5 frac{3}{11}-2 frac{7}{55} )* frac{44}{173}+ frac{5}{13}: frac{7}{39}= (frac{58}{11}-frac{117}{55} )* frac{44}{173}+ frac{5}{13}* frac{39}{7}=$$frac{58*5-117}{55}* frac{44}{173}+ frac{5*13*3}{13*7}= frac{58*5-117}{55}* frac{44}{173}+ frac{5*13*3}{13*7}= frac{173}{55}* frac{44}{173}+ frac{15}{7}=$$frac{44}{55}+ frac{15}{7}= frac{4*11}{5*11}+ frac{15}{7}= frac{4}{5}+ frac{15}{7}= frac{7*4+5*15}{35}= frac{28+75}{35}= frac{103}{35}=2 frac{33}{35}$