负的根号下25/8的值是多少精确到0.01
问题描述：
负的根号下25/8的值是多少精确到0.01
答
负的根号下25/8的
-√25/8
=√5^2/2^3
=5/3√(1/3)
=5/3*0.57735
=1.66667*0.57735
=0.96225