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2(x^3)^2*x^3-(3x^3)^3+(5x)^2*x^7

来源：学生作业帮 编辑：神马作文网作业帮 分类：数学作业 时间：2024/11/11 12:00:56
2(x^3)^2*x^3-(3x^3)^3+(5x)^2*x^7
2(x^3)^2*x^3-(3x^3)^3+(5x)^2*x^7
2(x^3)^2*x^3-(3x^3)^3+(5x)^2*x^7
=2*x^6*x^3-27*x^9+25*x^2*x^7
=2x^9-27x^9+25x^9
=(2+25-27)x^9
=0
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