tamarabernukho 31^6=887503681
3^18=387420489
8^10=1073741824
3^18<31^6<8^10
8^10=(2^3)^10=2^30=(2^5)^6=32^6
3^18=(3^3)^6=27^6
31^6
получаем
27^6<31^6<32^6