(√8/27-5√3)×√6+3√50
问题描述:
(√8/27-5√3)×√6+3√50
答
(根号8/27-5根号3)x根号6+3根号50
=根号16/9-5根号18+15根号2
=4/3-15根号2+15根号2
=4/3