计算:(-0.25)^2007*4^2008=?

问题描述:

计算:(-0.25)^2007*4^2008=?

(-0.25)^2007X4^2008
=-0.25^2007X(4^2007X4^1)
=(-0.25X4)^2007X4
=-1^2007X4
=-4