0
    0
    -（x*(-137.2237+(1-x）*24391.54))/(sqrt(0.02486512*x^2+(1-x)^2*6.524814))≤0
    -(-22910824*x+(1-x)*184153065)/(sqrt(57147221*x^2+(1-x)^2*188321688))≤0
    x^2>5
    0.5-0.4x≤0.4x+1.5
    3(x-1)+(x+3)/5>2.5x-1
    (-434854910*x-8873291*(1-x))/(sqrt(58815032*x^2+190701419*(1-x)^2))≥2
    (-434854910*x-8873291*(1-x))/(sqrt(58815032*x^2+190701419*(1-x)^2))≥0
    (-434854910*x-8873291*(1-x))/(sqrt(58815032*x^2+190701419*(1-x)^2))≤2.33
    (-434854910*x-8873291*(1-x))/(sqrt(58815032*x^2+190701419*(1-x)^2))≤-2.33
    a>0.7*(1-a)^2
    (-457*x+(1-x)*40911)/(sqrt(0.0232*x^2+7.783*x^2))≥0
    (-457*x+(1-x)*40911)/(sqrt(0.0232*x^2+7.783*x^2))≤0
    1 - ( 1 - 1 / 27000 ) ^ ( 120 * x ) >= 99.9 %
    (-0.3+101.7*t/100)-t<0.1
    abs((-0.3+101.7*t/100)-t)<0.1
    9x+5<8x+7 (4/3)x+2>1-(2/3)x
    60x+10（400-x）<=10000
    tanx>x

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