计算:(-2)^100*0.5^99+(-1/2)^-3
问题描述:
计算:(-2)^100*0.5^99+(-1/2)^-3
答
(-2)^100×0.5^99 +(-1/2)^(-3)
=[(-2)×(1/2)]^99×(-2)+(-2)³
=(-1)×(-2)-8
=2-8
=-6