Question

срочно помогите надо позарез срочно

Answer 1

б)
$1 frac{4}{11} : 1 frac{2}{13} = frac{15}{11} : frac{15}{13} = frac{15*13}{11*15} = frac{13}{11} = 1 frac{2}{11}$
в)
$2 frac{3}{4} :1 frac{3}{8} * 3 frac{2}{7} = frac{11}{4} : frac{11}{8} * frac{23}{7} = frac{11*8}{4*11} = frac{8*23}{4*7} = frac{2*23}{7} = frac{46}{7} = 6 frac{4}{7}$