若x^2y^n-1与-1/2x^m+1y^3是同类项,则+n=

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若x^2y^n-1与-1/2x^m+1y^3是同类项,则+n=若x^2y^n-1与-1/2x^m+1y^3是同类项,则+n=若x^2y^n-1与-1/2x^m+1y^3是同类项,则+n=根据题意得2=

若x^2y^n-1与-1/2x^m+1y^3是同类项,则+n=
若x^2y^n-1与-1/2x^m+1y^3是同类项,则+n=

若x^2y^n-1与-1/2x^m+1y^3是同类项,则+n=
根据题意得
2=m+1
n-1=3
∴m=1
n=4
∴m+n=1+4=5

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