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    100x/(1-x)=18.22264811
    2*d^2+15*d+24=0
    -760x^2+169.1x=1
    X/3
    2*d^2+3*d+6=0
    2*d^2+3*d+6=0
    V=266.95+0+8.00+0.01V+11.78+0.0002V+14.34+0.0005V+0.0538V
    -x^2
    -x^2
    ln(x+1.922)=2.165
    6*10^(-7)*x-0.0014=0
    x=21975000-0.2025x
    2*10^(-7)*x*x-0.0014*x+1.2486=0
    x=45000000-76500000-1125000-2925000-0.1x-16500000-0.1025x-825000
    45000000-76500000-1125000-2925000-0.1x-16500000-0.1025x-825000
    -15*10^(-8)*x^2+0.0008*x-0.8344=0
    xtanx
    a^4-2a^2=-4
    (-0.5000000002*(cos(X)^2)+1*cos(X))-0.4999999999
    1*(X^4)+19.36491673103708*(X^3)+120*(X^2)+232.3790007724451*X+0

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