-|2倍根号2-5|-4+3倍根号2-3-2倍根号2+根号3/3等于多少?

问题描述:

-|2倍根号2-5|-4+3倍根号2-3-2倍根号2+根号3/3等于多少?

原式=-(5-2√2)-4+3√2-3-2√2+√3/3
=-5+2√2-7+√2+√3/3
=-12+3√2+√3/3