已知x+y=5,xy=2则x^2y+xy^2=( )
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已知x+y=5,xy=2则x^2y+xy^2=()已知x+y=5,xy=2则x^2y+xy^2=()已知x+y=5,xy=2则x^2y+xy^2=()x²y+xy²=xy(x+y)
已知x+y=5,xy=2则x^2y+xy^2=( )
已知x+y=5,xy=2则x^2y+xy^2=( )
已知x+y=5,xy=2则x^2y+xy^2=( )
x²y+xy²=xy(x+y)=10
已知xy/x+y=1/2,则代数式3x-5xy+3y/-x+3xy-y=
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已知x+y=5,xy=2则x^2y+xy^2=( )
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