Question

помогите срочно дам 14 балов!!!!!!!!!!!!!!!!!!!!!!

Answer 1

$frac{1}{3}n+ frac{7}{24}n- frac{1}{8}n= frac{8}{24}n+ frac{7}{24}n- frac{3}{24}n= frac{12}{24}n= frac{1}{2} n= frac{1}{12} ; frac{1}{2}* frac{1}{12}= frac{1}{24}$