计算:-2x²y(-2xy²)²+(2xy)³·(xy²)
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计算:-2x²y(-2xy²)²+(2xy)³·(xy²)
计算:-2x²y(-2xy²)²+(2xy)³·(xy²)
计算:-2x²y(-2xy²)²+(2xy)³·(xy²)
-2x²y(-2xy²)²+(2xy)³·(xy²)
=-8x²y(xy²)²+8(xy)³·(xy²)
=-8x²y(x²y^4)+8(x³y³)·(xy²)
-8x^4y^5+8x^4y^5
=0
-2x²y(-2xy²)²+(2xy)³·(xy²)
原式=-2x²y·4x²y^4+8x³y³·xy²
=-8x^4y^5+8x^4y^5
=0
-2x^2.y(-2xy^2)^2+(2xy)^3·(xy^2)
=-8x^4.y^5+ 8x^4.y^5
=0