(ln(63056/(142865*x))*x^2)/(ln(563/(950*(1-x)))*(1-x)^2)=1
    x^2*ln((0.2*31.372)/(x*28.573))/((1-x)^2ln((0.8*31.372)/((1-x)*31.92))=1
    (ln(31372/(142865*x))*x^2)/(ln(7843/(9975*(1-x)))*(1-x)^2)=1
    (ln(1009/(1440*x))*x^2)/(ln(3027/(152255*(1-x)))*(1-x)^2)=1
    (ln(49/(384*x))*x^2)/(ln(294/(30451*(1-x)))*(1-x)^2)=1
    (ln(169/(576*x))*x^2)/(ln(1521/(30451*(1-x)))*(1-x)^2)=1
    (ln(15/(32*x))*x^2)/(ln(6480/(30451*(1-x)))*(1-x)^2)=1
    (ln(31372/(142865*x))*x)/(ln(7843/(9975*(1-x)))*(1-x))=1
    (ln(1009/(1440*x))*x)/(ln(3456/(152255*(1-x)))*(1-x))=1
    (ln(49/(384*x))*x)/(ln(294/(30451*(1-x)))*(1-x))=1
    m^2+15^2=113^2
    (ln(169/(576*x))*x)/(ln(1521/(30451*(1-x)))*(1-x))=1
    (ln(15/(32*x))*x)/(ln(6480/(30451*(1-x)))*(1-x))=1
    （26.813+x）×2.95＝53.627+72.24-x
    （26.813+x）×2.95＝53.627+73.24-x
    1+x^2+x^3=0
    x^2=√14/4
    x+x*680/2080=37
    x*680+x*680/2080=37
    hello

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