计算:(-2x²y)³+8(x²)²•(-x)²•(-y)³
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计算:(-2x²y)³+8(x²)²•(-x)²•(-y)³
计算:(-2x²y)³+8(x²)²•(-x)²•(-y)³
计算:(-2x²y)³+8(x²)²•(-x)²•(-y)³
(-2x²y)³+8(x²)²•(-x)²•(-y)³
=-8x^6y³ +8x^6•(-y)³
=-8x^6y³-8x^6y³
=-16x^6y³