Question

помогите с 3 упражнением​

Answer 1

Решение и ответ:

$\displaystyle \[\frac{5}{{11}} \div \frac{3}{{11}} \cdot \frac{3}{5}=\frac{5}{{\rlap{--}1\rlap{--} 1}}\cdot \frac{{\rlap{--} 1\rlap{--} 1}}{3} \cdot \frac{3}{5}=\frac{{\rlap{--} 5}}{{\rlap{--}3}} \cdot \frac{{\rlap{--} 3}}{{\rlap{--}5}}=\frac{1}{1}=\boxed1\]$