化简求值:-6x²y(a-b)³xy²(b-a)²
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化简求值:-6x²y(a-b)³xy²(b-a)²
化简求值:-6x²y(a-b)³xy²(b-a)²
化简求值:-6x²y(a-b)³xy²(b-a)²
-6x²y(a-b)³xy²(b-a)²
=-6x²y(a-b)³xy²(a-b)²
=-6x^(2+1)y^(1+2)(a-b)^(3+2)
=-6x^3y^3(a-b)^5