因式分解:a눀(a-b)눀-b눀(a-b)눀

2025-06-26 05:18:54
推荐回答(2个)
回答1:

a ²(a–b )²–b² (a–b )²
=(a– b )²(a²–b ²)
=(a–b )²(a+b )(a–b )

回答2: