x^2+x+-12 >= 0
    x^2+x+12>=0
    x^2+16x+2<0
    lnx+1＞0
    e^x+1+x＜0
    (1/x)+2>(4/x)-4>3x
    x+114514＜1919810
    lnx>log(x,lnx)
    20-0.4x≤x
    3+7/(4∧x－1)＞0
    3+7/4∧x－1＞0
    （3-x）/x≥2
    0.5^x%18^(1/3)>x^3-3
    0.5^x%18^(1/3)
    x^0.5%3<3^x-18^(1/3)
    t^2-t-4>0
    log(2,X)>(1+√17)/2
    2*x/3+1/3<0.5*x+2.5
    0.5*x+1.5<2*x-6
    42

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