(√5-√3+√2)(√5+√3-√2)得多少?

2025-05-21 02:10:40
推荐回答(2个)
回答(1):

- - 2根号6

回答(2):

=(√5-(√3-√2)(√5+√3-√2)
=(√5)²-(√3-√2)²
=5-(3-2√6+2)
=5-3+2√6-2
=2√6