(-2)^2003*(1/2)^2002等于()

问题描述:

(-2)^2003*(1/2)^2002等于()

(-2)^2003*(1/2)^2002
=-2*(-2)^2002*(1/2)^2002
=(-2*1/2)^2002*(-2)
=(-1)^2002*(-2)
=1*(-2)
=-2