:(2倍根号3减2)(3倍根号6加根号2) =2(根号3-1)*根号2(3根号2+1) =2根号2(3根号6-3根号2+根号3-1) =12根号3-12+2根号6-2根号2
(2倍根号3减2)(3倍根号6加根号2)=16*根号2-4*根号6
:(2倍根号3减2)(3倍根号6加根号2)=2(根号3-1)*根号2(3根号2+1)=2根号2(3根号6-3根号2+根号3-1)=12根号3-12+2根号6-2根号2