求解(-2x²y³)+8(x²)²×(-x)²×(-y)³
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求解(-2x²y³)+8(x²)²×(-x)²×(-y)³求解(-2x²y³)+8(x²)²×(-x
求解(-2x²y³)+8(x²)²×(-x)²×(-y)³
求解(-2x²y³)+8(x²)²×(-x)²×(-y)³
求解(-2x²y³)+8(x²)²×(-x)²×(-y)³
(-2x²y³)+8(x²)²×(-x)²×(-y)³
=-2x²y³-8x^6y^3