已知 ,单项式M,N满足等式2x﹙M-x﹚=6x²y³+Nx²,求M,N
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已知 ,单项式M,N满足等式2x﹙M-x﹚=6x²y³+Nx²,求M,N
已知 ,单项式M,N满足等式2x﹙M-x﹚=6x²y³+Nx²,求M,N
已知 ,单项式M,N满足等式2x﹙M-x﹚=6x²y³+Nx²,求M,N
由题意得2xM-2x^2=6x^2y^3+Nx^2 ∴N=-2 M=3xy^3
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