(根号2+根号3-根号6)乘(根号2-根号3-根号6)

步骤 谢谢
2024-11-15 18:33:15
推荐回答(1个)
回答1:

解答:
(根号2+根号3-根号6)乘(根号2-根号3-根号6)=(根号2-根号6)^2-(根号3)^2
=2+6-4根号3-3=5-4根号3