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一道数学化简题,写不来...
3倍根号下x平方y 除 3倍根号下xy 化简
人气:286 ℃ 时间:2020-05-20 14:07:15
解答
3√(x²y)/[3√(xy)]
=(3/3)*√[(x²y)/(xy)]
=1*√[(x²/x)*(y/y)]
=1*√(x*1)
=1*√x
=√x
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