（7.064-7.064/1.13*0.13+0.15）/6.78=x
    (12839.52+x)*4.92%=4x
    e^(-(-16.6+5.6)*4190/8.314/310) = x*10^9/(25-x)/(12.5-x)
    e^(-(-16.6+5.6)*4190/8.314/310) = x*10^9/(6.25-x)/(12.5-x)
    e^(-(-15.2+7.2)*4190/8.314/310)=x*10^9/(100-x)/(200-x)
    e^(-(-15.2+5.6)*4190/8.314/310)=x*10^9/(6.25-x)/(12.5-x)
    e^(-(5.6-15.2)*4190/8.314/310) = 10^9*x/(6.25-x)/(12.5-x)
    e^(-(5.6-15.2)*4190/8.314/310)=10^9*6.25/(x-6.25)/(2x-6.25)
    0=x*12-165*12-250*12-1500
    （6.93-6.93/1.13*0.13+0.15）/6.81=X
    （5.75-5.75/1.13*0.13+0.13）/6.81=X
    0=1200*x-180*x-800*x-2200
    (12838.52+x)*4.92%=4x
    x/(1-x)/(2-x)=1
    x=2
    x/(10^(-7)-x)/(2*10^(-7)-x)=10^7
    x/(1-x)/(2-x)=10^7
    2x+56-4x
    25 - x = 10
    7.92（c+3.3）=13.16c

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