若x²y+M=xy(N+2xy),则M=( ),N=( )
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若x²y+M=xy(N+2xy),则M=(),N=()若x²y+M=xy(N+2xy),则M=(),N=()若x²y+M=xy(N+2xy),则M=(),N=()若x
若x²y+M=xy(N+2xy),则M=( ),N=( )
若x²y+M=xy(N+2xy),则M=( ),N=( )
若x²y+M=xy(N+2xy),则M=( ),N=( )
若x²y+M=xy(N+2xy)=xyN+2x^2y^2,则M=( 2x^2y^2),N=( x)