若-3/2x^ay^b+2与3x^2y^6是同类项 则a-b的值是

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若-3/2x^ay^b+2与3x^2y^6是同类项则a-b的值是若-3/2x^ay^b+2与3x^2y^6是同类项则a-b的值是若-3/2x^ay^b+2与3x^2y^6是同类项则a-b的值是a=2b

若-3/2x^ay^b+2与3x^2y^6是同类项 则a-b的值是
若-3/2x^ay^b+2与3x^2y^6是同类项 则a-b的值是

若-3/2x^ay^b+2与3x^2y^6是同类项 则a-b的值是
a=2
b=6
∴a-b=2-6=-4