Question

Решите пж дам 90 баллов

Answer 1

$\displaystyle 5+\frac{4}{2-\frac{1}{3} } =5+\frac{4}{\frac{6}{3}-\frac{1}{3}  } =5+\frac{4}{\frac{5}{3} } =5+\frac{12}{5} =5+2\frac{2}{5} =7\frac{2}{5}$