(-2/1X^2y)^3+(4/1X^2Y)^2(-X^2y)答案
1个回答
(-2/1X^2y)^3+(4/1X^2Y)^2(-X^2y)
=-8/1x^6y^3+16/1x^4y^2*(-x^2y)
=-8/1x^6y^3-16/1x^6y^3
=-16/3x^6y^3
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