若3x^n+1y^b与-1/2x^3-ny^2a是同类项,则a=,b=

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

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

若3x^n+1y^b与-1/2x^3-ny^2a是同类项,则a=,b=
题目有问题,只能得出2a=b的结论,再仔细看下题目是不是哪里抄错了

∧是啥子意思