(-4)^2007×0.25^2008
问题描述:
(-4)^2007×0.25^2008
答
﹙﹣4﹚^2007×0.25^2008
=-4^2007×0.25^2007×0.25
=﹣﹙4×0.25﹚^2007×0.25
=﹣1×0.25
=﹣0.25.