Question

(2 3/7+1 1/2):5/7 помогите пжт

Answer 1

$(2frac{3}{7}+1frac{1}{2}) :frac{5}{7}=(2frac{3}{7}+1frac{1}{2}) *frac{7}{5}=(frac{17}{7}+frac{3}{2}) *frac{7}{5}=frac{34+21}{14}*frac{7}{5}=frac{55}{14}*frac{7}{5}=frac{11}{2}=5.5$