(根号3加根号2减1)(根号3减根号2加1)

问题描述:

(根号3加根号2减1)(根号3减根号2加1)

2根号2(√3+√2-1)*(√3-√2+1)=(√3+√2-1)*[√3-(√2-1)]=(√3)^2-(√2-1)^2=2√2谢谢O(∩_∩)O