(1/2)^-3-2^100*0.5^100*(-1)^2005/(-1)^-5

问题描述:

(1/2)^-3-2^100*0.5^100*(-1)^2005/(-1)^-5

(1/2)^-3-2^100*0.5^100*(-1)^2005/(-1)^-5
=8-(2*0.5)^100*(-1)/(-1)
=8-1
=7