(根号3+根号2-1)(根号3-根号2+1)

2024-12-27 03:00:54
推荐回答(2个)
回答1:

(根号3+根号2-1)(根号3-根号2+1)
=(根号3+根号2-1)[根号3-(根号2-1)]
=(根号3)²-(根号2-1)²
=3-[2-2(根号2)+1]
=3-3+2(根号2)
=2(根号2)

回答2:

楼上