立方根1/8-5/2根号-1/125+立方根-343-立方根27

问题描述:

立方根1/8-5/2根号-1/125+立方根-343-立方根27

立方根1/8-5/2根号-1/125+立方根-343-立方根27
=1/2+5/2×1/5-7-3
=1/2+1/2-10
=1-10
=-9