化简:根号下(x²y²+y四次方)
问题描述:
化简:根号下(x²y²+y四次方)
化简:根号(x²y²+y四次方)
答
根号(x²y²+y四次方)
=根号y²(x²+y²)
=lyl根号(x²+y²)
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