0.25的九次方×2的二十次方×25的九次方×64³3的十八次方×-1/9的八次方简便计算

Question

0.25的九次方×2的二十次方×25的九次方×64³ 3的十八次方×-1/9的八次方
简便计算

Answer 1

0.25的九次方×2的二十次方×25的九次方×64³
=0.25的九次方×4的十次方×25的九次方×4 的九次方
=(0.25×4)的九次方×4 ×(25×4 )的九次方
=1的九次方×4 ×(100)的九次方
=4000000000
3的十八次方×(-1/9)的八次方
=9的9次方×(-1/9)的八次方
=9×9的8次方×(-1/9)的八次方
=9×[9×(-1/9)]的八次方
=9