\(x=5^\sqrt{5}\), \(\ y=5^{2{,}2}\), \(\ z=5^{\pi}\)

\(x=(0{,}9)^{1{,}4}\), \(\ y=(0{,}9)^{0{,}9}\), \(\ z=\left((0{,}9)^{0{,}9}\right)^{1{,}5}\)

\(x=(\sqrt{2}-1)^{\pi}\), \(\ y=\frac{1}{\left(\sqrt{2}+1\right)^3}\), \(\ z=\left(\frac{2-\sqrt{2}}{\sqrt{2}}\right)^{\sqrt{2}}\)