(1+根号2)눀(1+根号3)눀(1-根号2)눀(1-根号2)눀

2025-02-06 08:56:32
推荐回答(2个)
回答1:

(1+根号2)²(1+根号3)²(1-根号2)²(1-根号3)²
=(1+根号2)²(1-根号2)²(1+根号3)²(1-根号3)²
=(1²-根号2²)²(1²-根号3²)²
=(1-2)²(1-3)²
=4

回答2:

(1+根号2)²(1+根号3)²(1-根号2)²(1-根号3)²
=[(1+√2﹚²×(1-√2﹚²][(1+√3﹚×﹙1-√3﹚²]
=[(1+√2﹚×﹙1-√2﹚]²×[(1+√3﹚×﹙1-√3﹚]²
=(1-2)²×(1-3)²
=1×4
=4