若单项式-3A^2-MB与B^N+1A^2是同类项,求代数式M^2-(-3M+3N^2)+2N^2

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若单项式-3A^2-MB与B^N+1A^2是同类项,求代数式M^2-(-3M+3N^2)+2N^2若单项式-3A^2-MB与B^N+1A^2是同类项,求代数式M^2-(-3M+3N^2)+2N^2若单

若单项式-3A^2-MB与B^N+1A^2是同类项,求代数式M^2-(-3M+3N^2)+2N^2
若单项式-3A^2-MB与B^N+1A^2是同类项,求代数式M^2-(-3M+3N^2)+2N^2

若单项式-3A^2-MB与B^N+1A^2是同类项,求代数式M^2-(-3M+3N^2)+2N^2
根据同类项关系
-3A^2-MB=B^N+1A^2 得出A=0,N=1,M=-1
M^2-(-3M+3N^2)+2N^2
=(-1)^2-(3+3)+2
=-3

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