由于2x(M+3x)=6x^2y^2+N,所以2xM+6x^2=6x^2y^2+N
比较可知2xM=6x^2y^2,6x^2=N
所以M=3xy^2,N=6x^2
已知单项式M、N满足2x(M+3x)=6x^2y^2+N,求M、N.
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