Question

помогите решить просто ответ

Answer 1

$frac{9}{14} * sqrt{2 frac{1}{3} } * sqrt{1 frac{1}{27} } = frac{9}{14} * sqrt{ frac{7}{3} } * sqrt{ frac{28}{27} } = frac{9}{14} * sqrt{ frac{7*28}{3*27} } = \ \ = frac{9}{14} * sqrt{ frac{196}{81} } = frac{9}{14} * frac{14}{9} = frac{9*14}{14*9} =1$