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(-1/2x²y)³×(-3xy²)²
人气:160 ℃ 时间:2020-03-19 01:45:52
解答
(-1/2x²y)³×(-3xy²)²
=(-1/8 x^6 y^3)*(9 x^2 y^4)
=-(9/8) x^8 y^7.
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