化简3x²·(﹣2xy)²﹣x²(x²y²﹣2x)
化简3x²(﹣2xy)²﹣x²(x²y²﹣2x),八年级数学明天出版社数学同步练习题,
人气:217 ℃ 时间:2019-10-10 05:50:00
解答
3x²(﹣2xy)²﹣x²(x²y²﹣2x)
=x^3 (2 + 11 x y^2)
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