计算 (-3xy²)²·(2x²y)³+(-2x²y²)³·3x²y
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 02:53:18
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计算 (-3xy²)²·(2x²y)³+(-2x²y²)³·3x²y
计算 (-3xy²)²·(2x²y)³+(-2x²y²)³·3x²y
计算 (-3xy²)²·(2x²y)³+(-2x²y²)³·3x²y
原式= 9x²y⁴·8x^6y³+(-8x^6y^6)·3x²y
=72x^8y^7-24x^8y^7
=48x^8y^7
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 02:53:18
计算 (-3xy²)²·(2x²y)³+(-2x²y²)³·3x²y
计算 (-3xy²)²·(2x²y)³+(-2x²y²)³·3x²y
计算 (-3xy²)²·(2x²y)³+(-2x²y²)³·3x²y
原式= 9x²y⁴·8x^6y³+(-8x^6y^6)·3x²y
=72x^8y^7-24x^8y^7
=48x^8y^7