填空,√x^4y²(x²+2xy+y²)=x>0,y>0

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填空,√x^4y²(x²+2xy+y²)=x>0,y>0

填空,√x^4y²(x²+2xy+y²)=x>0,y>0
填空,√x^4y²(x²+2xy+y²)=
x>0,y>0

填空,√x^4y²(x²+2xy+y²)=x>0,y>0
√x^4y²(x²+2xy+y²)=x^3y+x²y²