8^2008乘以125^2008 (-81)^10x(-2/9)^9x(1/9)^10x(1/2)^8x2/9(-81)^10x(-2/9)^9x(1/9)^10x(1/2)^8x(2/9) 追

125*8=1000=10^3

8^2008X125^2008=（8X125)^2008=(1000)^2008=1000------000(1后有2011个0)
(-81)^10x(-2/9)^9x(1/9)^10x(1/2)^8x2/9=(-1)(2/9)^10(81x1/9)^10(1/2)^8
=(-1)(2/9)^10(9)^10(1/2)^8
=(-1)2^10(1/2)^8
=(-1)2^10x2^(-8)
=(-1)2^2
=-4

8^2008*125^2008
=(8*125)^2008
=1000^2008
=10^6024
(-81)^10*(-2/9)^9*(1/9)^10*(1/2)^8*2/9
=-4(-81)^10*(-2/9)^10*(1/9)^10*(1/2)^10
=-4(-81*(-2/9)*1/91*/2)^10
=-4(1))^10
=-4