(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)
问题描述：
(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)
答
(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)
=(25/9)^0.5+(64/27)^2/3-(27/125)^(-1/3)
=5/3+16/9-5/3
=16/9