计算:-x(3xy-6x²y²)÷3(-x)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 00:51:33
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计算:-x(3xy-6x²y²)÷3(-x)²
计算:-x(3xy-6x²y²)÷3(-x)²
计算:-x(3xy-6x²y²)÷3(-x)²
-x(3xy-6x²y²)÷3(-x)²
=(-3x²y-6x³y²)÷3x²
=(-3x²y)÷3x²-(6x³y²)÷3x²
=-y-2xy²
=﹣3x²﹙y-2xy²﹚÷3x²
=﹣y﹢2xy²
=y﹙2xy-1﹚
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 00:51:33
计算:-x(3xy-6x²y²)÷3(-x)²
计算:-x(3xy-6x²y²)÷3(-x)²
计算:-x(3xy-6x²y²)÷3(-x)²
-x(3xy-6x²y²)÷3(-x)²
=(-3x²y-6x³y²)÷3x²
=(-3x²y)÷3x²-(6x³y²)÷3x²
=-y-2xy²
=﹣3x²﹙y-2xy²﹚÷3x²
=﹣y﹢2xy²
=y﹙2xy-1﹚