已知A=3x²,B=-2xy²,C=-x²y²,求A×B²×C的值最新问答:匿名用户A×B²×C=3x*(-2xy²)²*(-x²y²)=3x*4x²y^4(-x²y²)=-12x^5y^6不懂得欢迎追问.匿名用户B²=(-2xy²)=4x²y^4A×B²×C=3x²×4x²y^4×(-x²y²)=-12x^6y^6