(3√2-√15+1)/(√3+√5+√6)
= 3√6+3√10+3√12 -√45 -√75 -√90 +√3+√5+√6
= 3√6+3√10+6√3-3√5-5√3-3√10+√3+√5+√6
= 4√6 -2√5 +2√3
--------------------
梳理知识,帮助别人,愉悦自己.
“数理无限”团队欢迎你