化简:(2/x-1)-(1/x²-1)·(x²+2x+1/x-1)

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化简:(2/x-1)-(1/x²-1)·(x²+2x+1/x-1)

化简:(2/x-1)-(1/x²-1)·(x²+2x+1/x-1)
化简:(2/x-1)-(1/x²-1)·(x²+2x+1/x-1)

化简:(2/x-1)-(1/x²-1)·(x²+2x+1/x-1)