根号5-2分之1怎么化简?

2025-03-09 09:54:41
推荐回答(3个)
回答1:

1/(√5-2)=(√5+2)/(√5-2)(√5+2)
=√5+2

回答2:

√5-1/2=2√5-1/2

回答3:

√5-1/2
=(2√5-1)/2