(√5+2)⼀5-4=?过程

2024-12-30 17:47:14
推荐回答(2个)
回答1:

(√5+2)/5-4
=√5/5+2/5-4
=√5/5-18/5
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回答2:

=√5x√5+2x√5-4=2I+2√5