Question

整式的简便运算1. 8^3×（1/4)^42.(-1/8)^3×2^93.2^4×4^3×(-0.125)^44.(0.

Answer 1

1.8^3×（1/4)^4

=2^9×(2^(-8))

=2

2.(-1/8)^3×2^9

=-(2^(-9))×2^9

=-1

3.2^4×4^3×(-0.125)^4

=2^4×2^6×2^(-12)

=1/4

4.(0.04)^2006×[(-5)^2006]^2

=(0.04*5*5)^2006

=1