(-2)^2003*(1/2)^2002等于()
问题描述:
(-2)^2003*(1/2)^2002等于()
答
(-2)^2003*(1/2)^2002
=-2*(-2)^2002*(1/2)^2002
=(-2*1/2)^2002*(-2)
=(-1)^2002*(-2)
=1*(-2)
=-2