(a^3·b^m）^3·b^2
=a^9*b^(3m)*b^2
=a^9*b^(3m+2)
2^4+4^5×（-0.125）^4
=2^4+4^5×（1/8）^4
=2^4+2^10/2^12
=16+1/4
=16又1/4