(-0.5)^2001×2^2002

问题描述:

(-0.5)^2001×2^2002
-0.5的2001次方×2的2002次方

(-0.5)^2001×2^2002
=-0.5X0.5^2000X2^2000X2^2
=-0.5X4X(0.5X2)^2000
=-2