10lgX=3
    2.5=X/（1-X）
    2.5=X*（1-X）
    x²+x
    1/1+x²
    250176.4/8.314/298=lnk
    lnk=-250176.4/(8.314*298)
    lnk=-(-210.9*10^(3)-131.8*298)/8.314*298
    X^2加0.7x等于0.78
    lnk=250.176/(8.314*298)
    lnk=-250.176
    lnk=-250.176/(8.314*298)
    lna=-250.176/(8.314*298)
    -210.9-131.8*10^(-3)*298=a
    lna=-[(-210.9-130.8*298*10^(-3))/(298*8.314)]
    lna=-(-210.9-130.8*298*10^(-3))/(298*8.314)
    lna=(-210.9-130.8*298*10^(-3))/(298*8.314)
    lna=1
    e(((-210.9)-131.8*298)/(8.314*298))=a
    e((131.8*10^(-3))/8.314-(-210.9)/(298*8.314))=a

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