Question

помогите пожалуйста​

Answer 1

$\Big(2\dfrac{2}{3}-1\dfrac{1}{5}\Big):2,2=\Big(\dfrac{8}{3}-\dfrac{6}{5}\Big):\dfrac{22}{10}=\dfrac{40-18}{15}:\dfrac{22}{10}=\dfrac{22}{15}\cdot \dfrac{10}{22}=\dfrac{10}{15}=\dfrac{2}{3}$