$$(\frac{n^{1^{2}+m^{2}}}{n^{-1m}})^{1-m}\times(\frac{n^{m^{2}+n^{2}}}{n^{-mn}})^{m-n}\times(\frac{n^{2}+1^{2}}{n^{-n1}})^{n-1}$$
