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)][x-(2x-1)/x]÷[1-(1/x)]分子分
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
化简(x^2-2x+1)/(x^2+1)÷(x-1)/(x^2+x)-x
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[(x+2)/(x²+2x)-(x-1)/(x²-4x+4)]÷(x-4)/x
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化简【(x三次方-x平方/x平方+x )-(1-x²/x+1)】÷(2x+1/x+1)
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
计算:(1+1/x)·x²-2x+1/x²-1;(x²/x-1-2x/1-x)÷x/x-1.
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