عبارات مركّبة

\[\displaystyle (\sqrt2)^4\times2^{-2}+(\sqrt2)^{-2}\times(\sqrt6)^2-3^{-3}\times(\sqrt3)^2\]

\[\displaystyle (2\sqrt2-\sqrt7)^{153}(2\sqrt2+\sqrt7)^{154}\]

\[\displaystyle \left(\frac{2}{\sqrt3}\right)^{-2}\times3^{-1}\]