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数学
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计算题.-﹙-2x³y²﹚²×﹙1.5x²y³﹚².
人气:424 ℃ 时间:2020-06-21 10:17:57
解答
-﹙-2x³y²﹚²×﹙1.5x²y³﹚².
=-(2*1.5)^2x^10y^10
=-9x^10y^10
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