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
    (131.8*10^(-3))/8.314-(-210.9)/(298*8.314)=lna
    1.6*a^2-13*a+10.4=0
    1.6*a^2-5.2*a+2.6=0
    a^2/(4+a^2-5a)=2.6
    -3.6*a^2-5.2*a+2.6=0
    -3.6x^2-5.2x-2.6=0
    -3.6x²-5.2x-2.6=0
    100x+550 =120x-630
    100x+550 120x-630
    （220*63-x）*0.95=11425.15
    11.9c=（3.3+c）×7.97
    [（220+220）*（63-7）-X]*0.9=20089.13
    4.1*(x-0.46)^2=(0.28+x)*(1.2-x)
    X-(60/100)
    98219.55-（19628.67-（3938988+x-4114000）/1.09*0.09-16513.75）*1.12-237725.06*0.0006=X
    X-(3/5）X=2400
    X−(60/100)X=2400

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