作业帮计算【3(x-y)^2(x+y)^-2/4(x+y)^2(x-y)^-2】^-2有人帮我算一下没.
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/06 11:08:23
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计算【3(x-y)^2(x+y)^-2/4(x+y)^2(x-y)^-2】^-2有人帮我算一下没.
计算【3(x-y)^2(x+y)^-2/4(x+y)^2(x-y)^-2】^-2
有人帮我算一下没.
计算【3(x-y)^2(x+y)^-2/4(x+y)^2(x-y)^-2】^-2有人帮我算一下没.
16(x+y)^8/9(x-y)^8
=16/9 * [(x+y)/(x-y)]^8
哪个好理解用哪个.
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