:已知单项式M,N满足3x(M-5)=6x²y²+N,则M乘N等于( )
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:已知单项式M,N满足3x(M-5)=6x²y²+N,则M乘N等于( )
:已知单项式M,N满足3x(M-5)=6x²y²+N,则M乘N等于( )
:已知单项式M,N满足3x(M-5)=6x²y²+N,则M乘N等于( )
3x(M-5)=6x²y²+N
3xM-15x=6x²y²+N
∴3xM=6x²y² M=2xy²
N=-15x
M*N=2xy²*(-15)x=-30x²y²
已知单项式M,N,满足3x(M-5x)=6xy,+N,则M= ,N=
:已知单项式M,N满足3x(M-5)=6x²y²+N,则M乘N等于( )
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