-2分之1(4xy-8x²)+3分之1(xy-6x²y²)化简.刚刚那题谢谢你了.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 11:56:54
![-2分之1(4xy-8x²)+3分之1(xy-6x²y²)化简.刚刚那题谢谢你了.](/uploads/image/z/10254851-35-1.jpg?t=-2%E5%88%86%E4%B9%8B1%EF%BC%884xy-8x%26%23178%3B%EF%BC%89%2B3%E5%88%86%E4%B9%8B1%EF%BC%88xy-6x%26%23178%3By%26%23178%3B%EF%BC%89%E5%8C%96%E7%AE%80.%E5%88%9A%E5%88%9A%E9%82%A3%E9%A2%98%E8%B0%A2%E8%B0%A2%E4%BD%A0%E4%BA%86.)
-2分之1(4xy-8x²)+3分之1(xy-6x²y²)化简.刚刚那题谢谢你了.
-2分之1(4xy-8x²)+3分之1(xy-6x²y²)化简.刚刚那题谢谢你了.
-2分之1(4xy-8x²)+3分之1(xy-6x²y²)化简.刚刚那题谢谢你了.
(-1/2)(4xy-8x²)+(1/3)(xy-6x²y²)
=-2xy+4x²+xy/3-2x²y²
=-5xy/3+4x²-2x²y²
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