x^2+200*x+1>0
    x^2+200*x-1<0
    x^2+200*x<1
    4*x^2-x-60≥0
    e^(1-a+3)-4a>= 0
    e^(e+3-a)+3e-10-4a <= 0
    e^(e+3-a)+3e-10-4a<=0
    x-1>4x-8
    3x-3<5x+1
    2861-0.00000189*（x-100000）<=0
    4a＾2＋18a－53＞0
    a^2－6a≥－5
    4x^2/(x^2+1)^2-2x/(x^2+1)^2-2/(x^2+1) >0
    4x^2/(x^2+1)^2-2x/(x^2+1)^2-2/(x^2+1)>0
    -(1/3)>=1/x<=3
    -1/3>=1/x<=3
    48+9L2-L^2<0
    48L+9L^2-L^3<0
    0＜3x+8-5（x-1）＜5
    100x*110%+60(100-x)*125%>=9250

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