2*根号下2^(2/3)次幂.怎么算,
问题描述:
2*根号下2^(2/3)次幂.怎么算,
答
2×根号下2^(2/3)=根号下2^2×2^(2/3)=根号下2^(8/3)=2^(4/3)
答
2*根号下2
=2^(3/2)
2*根号下2^(2/3)次幂
=[2^(3/2)]^(2/3)
=2