化简:(1+1/x)成x/x²-1

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化简:(1+1/x)成x/x²-1化简:(1+1/x)成x/x²-1化简:(1+1/x)成x/x²-1=(x+1)/x×x/(x+1)(x-1)=1/(x-1)

化简:(1+1/x)成x/x²-1
化简:(1+1/x)成x/x²-1

化简:(1+1/x)成x/x²-1
=(x+1)/x×x/(x+1)(x-1)
=1/(x-1)