化简:[x-(2x-1)/x]÷[1-(1/x)]

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化简:[x-(2x-1)/x]÷[1-(1/x)]

化简:[x-(2x-1)/x]÷[1-(1/x)]
化简:[x-(2x-1)/x]÷[1-(1/x)]

化简:[x-(2x-1)/x]÷[1-(1/x)]
[x-(2x-1)/x]÷[1-(1/x)]
分子分母同时乘以x
=(x²-2x+1)/(x-1)
=(x-1)²/(x-1)
=x-1