（1-5/8）x=15/14
    （1-1/2）x=1/5
    2x÷（4/1）=（2/1）
    4x÷（5/6）=（5/9）
    (X^2*ln(0.66*2.72/4.07/X))/((1-X)^2)*ln(0.34*2.72/4.4/(1-X)) = 1
    (X^2*ln(0.66*2.72/4.07/X))/((1-X)^2)*ln(0.34*2.72/4.3/(1-X)) = 1
    (X^2*ln(0.66*2.72/4.07/X))/((1-X)^2)*ln(0.34*2.72/4.5/(1-X)) = 1
    (X^2*ln(0.66*2.72/4.07/X))/((1-X)^2)*ln(0.34*2.72/4.0/(1-X)) = 1
    (X^2*ln(0.66*2.72/4.07/X))/((1-X)^2)*ln(0.34*2.72/3.8/(1-X)) = 1
    (X^2*ln(0.66*2.72/4.07/X))/((1-X)^2)*ln(0.34*2.72/4.8/(1-X)) = 1
    (X^2*ln(0.66*2.72/4.07/X))/((1-X)^2)*ln(0.34*2.72/2.8/(1-X)) = 1
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/5.49/(1-X)) = 1
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/5.39/(1-X)) = 1
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/5.29/(1-X)) = 1
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/5.19/(1-X)) = 1
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/5.09/(1-X)) = 1
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/4.99/(1-X)) = 1
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/4.89/(1-X)) = 1
    140×7.86+13c=（140+c）×7.93
    (X^2*ln(0.68*3.10/4.07/X))/((1-X)^2)*ln(0.32*3.10/4.79/(1-X)) = 1

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