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【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)

分类: 作业答案 • 2022-01-09 18:01:57

问题描述：

【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)

答

[（x-y）-4(x+y)+3y]=-3x-2y