9^{\frac{1}{2}}*(3\frac{3}{8})^{-\frac{1}{3}}*81^{\frac{3}{4}}
źródło:
9^{\frac{1}{2}}*(3\frac{3}{8})^{-\frac{1}{3}}*81^{\frac{3}{4}}=(3^2)^{\frac{1}{2}}*(\frac{27}{8})^{-\frac{1}{3}}*(3^4)^{\frac{3}{4}}=3^1*[(\frac{3}{2})^3)^{-\frac{1}{3}}*3^3=
=3*(\frac{3}{2})^{-1}*27=\not3^1*\frac{2}{\not3^1}*27=2*27=54