((-2)^1000)*((-0.5)^999) =

问题描述:

((-2)^1000)*((-0.5)^999) =

答:
((-2)^1000)*((-0.5)^999)
=-2×[(-2)^999]×(-0.5)^999
=-2×[(-2)×(-0.5)]^999
=-2×1^999
=-2