计算(-2)^100+(-2)^101的解是( ) a.-2 b.2 c.2^100 d.-2^100

问题描述:

计算(-2)^100+(-2)^101的解是( ) a.-2 b.2 c.2^100 d.-2^100

(-2)^100+(-2)^101=2^100-2^101=-2^100,故选D

(-2)^100+(-2)^101
=2^100-2^101
=2^100-2×2^100
=(1-2)ú2^100
=-2^100
选d