4^2010*(-0.25)^2011等于?
问题描述:
4^2010*(-0.25)^2011等于?
答
4^2010*(-0.25)^2011
=4^2010×(-0.25)^2010×(-0.25)
=[4×(-0.25)]^2010×(-0.25)
=1×(-0.25)
=-0.25