Выбери наибольшее произведение.

• \(\dfrac{6}{7} ⋅ \dfrac{5}{22} \)
• \(\dfrac{4}{21} ⋅ \dfrac{9}{11} \)
• \(\dfrac{3}{7} ⋅ \dfrac{9}{11} \)
• \(\dfrac{4}{7} ⋅ \dfrac{21}{44} \)