已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=
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已知单项式M,N满足3x(M-5x）=6x²y+N,则M=N=已知单项式M,N满足3x(M-5x）=6x²y+N,则M=N=已知单项式M,N满足3x(M-5x）=6x²y
已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=
已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=
已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=
已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=
展开,移项,得3xM-N=6x²y+15x²则M=2xy N=-15x²或者M=5x N=-6x²y
已知单项式M,N,满足3x（M-5x）=6xy,+N,则M= ,N=
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已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=已知单项式M,N满足3x(M-5x）=6x²y+N,则M= N=
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已知单项式m.n满足3x（m-5x）=6x的二次幂y的二次幂＋n,则mn等于