97％x＋2＜x
    97％x＋2＜x+2
    166*1000000/(1.05*x*1000)<215
    2x-6≥0
    3*x^2*(1-x)+x^3>x
    3*x^2*(1-x)+x^3<10*x^3*(1-x)^2+5*x^4*(1-x)+x^5
    3*x^2*(1-x)+x^3>10*x^3*(1-x)^2+5*x^4*(1-x)+x^5
    abs((1-x)/(3+x))＜2
    1÷!(8÷x+1)*e4*2÷9*sqrt3*x^3x<=10^(-6)
    (x+3)^2<=3
    2x^2<=50
    3x^2+2x-3>1
    30x+6/x>0
    X^2-X-12＞0
    ((172.87+x)/(1135.78+x))<0.8
    (172.87+x)/(1135.78+x)<0.8
    1.8^k/!(k)*e-k>0.99
    -2.5x^2+20x＞33+5x
    -((2a-3)/(2a))<-2
    3＜absx-2＜6

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