[2a/(a-b)-1]^2 * [2b/(a+b)-1]^2 计算计算是要有过程滴~~~~~~~~~~~~~

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[2a/(a-b)-1]^2*[2b/(a+b)-1]^2计算计算是要有过程滴~~~~~~~~~~~~~[2a/(a-b)-1]^2*[2b/(a+b)-1]^2计算计算是要有过程滴~~~~~~~~~

[2a/(a-b)-1]^2 * [2b/(a+b)-1]^2 计算计算是要有过程滴~~~~~~~~~~~~~
[2a/(a-b)-1]^2 * [2b/(a+b)-1]^2 计算
计算是要有过程滴~~~~~~~~~~~~~

[2a/(a-b)-1]^2 * [2b/(a+b)-1]^2 计算计算是要有过程滴~~~~~~~~~~~~~
分别通分,然后约去,答案是1