问题标题:
(-1/2x²y)³×(-3xy²)²
问题描述:
(-1/2x²y)³×(-3xy²)²
刘力群回答:
(-1/2x²y)³×(-3xy²)²
=(-1/8x^6y^3)*(9x^2y^4)
=-(9/8)x^8y^7.
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