计算:2(x눀y대)대-(x대y눀)눀·y的5次方-(x대y的4次方)눀·y.

2025-05-10 05:22:27
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回答1:

解:
2(x²y³)³-(x³y²)²·y的5次方-(x³y的4次方)²·y
=2x^6y^9-x^6y^4*y^5-x^6y^8·y
=2x^6y^9-x^6y^9-x^6y^9
=0