七年级数学题(x-y)³ ×(x-y)²×(y-x)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/26 04:17:24
七年级数学题(x-y)³ ×(x-y)²×(y-x)
![七年级数学题(x-y)³ ×(x-y)²×(y-x)](/uploads/image/z/14917055-23-5.jpg?t=%E4%B8%83%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%E9%A2%98%EF%BC%88x%EF%BC%8Dy%EF%BC%89%26sup3%3B+%C3%97%EF%BC%88x%EF%BC%8Dy%EF%BC%89%26sup2%3B%C3%97%EF%BC%88y%EF%BC%8Dx%29)
(x-y)³ ×(x-y)²×(y-x)
=(x-y)³ ×(x-y)²×[-(x-y) ]
=(-1)*(x-y)^6
=-(x-y)^6
=(x-y)³ ×(x-y)²×[-(x-y) ]
=(-1)*(x-y)^6
=-(x-y)^6
七年级数学题(x-y)³ ×(x-y)²×(y-x)
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