(3倍的根号18+1尀5根号50-4倍的根号1尀2)尀根号32

过程是什么?
2025-03-10 12:37:18
推荐回答(1个)
回答1:

[3√18+1/5*√50-4√(1/2)]/√32
=[3*3√2+1/5*5√2-2√(4*1/2)]/√32
=[9√2+√2-2√2]/(4√2)
=8√2/(4√2)
=2