Kết quả phép tính \(\dfrac{5}{11}:\dfrac{15}{22}\) là
\(\dfrac{2}{-5}.\)\(\dfrac{3}{4}.\)\(\dfrac{2}{3}.\)\(\dfrac{3}{2}.\)Hướng dẫn giải:\(\dfrac{5}{11}:\dfrac{15}{22}=\dfrac{5}{11}.\dfrac{22}{15}=\dfrac{5.22}{11.15}=\dfrac{5.11.2}{11.5.3}=\dfrac{2}{3}.\)