[tex]A=\left(25^3\right)^9\div \left(4^2+3^2\right)^{26}-\left(2017^0+0^{2017}+1^{2017}\right)^4=15625^9\div \left(4^2+3^2\right)^{26}-\left(2017^0+0^{2017}+1^{2017}\right)^4=15625^9\div \:25^{26}-\left(2017^0+0^{2017}+1^{2017}\right)^4=15625^9\div \:25^{26}-2^4=25-16=9[/tex]
