Question

Помогите срочно надо

Answer 1

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