计算1º-(½)^2009×(-2)^2010的结果是

问题描述:

计算1º-(½)^2009×(-2)^2010的结果是


1-(½)^2009×(-2)^2010
=1-(½)^2009×(-2)^2009×2
=1-[(½)×(-2)]^2009×2
=1-[(-1)]^2009×2
=1-(-1)×2
=3