10-2x＞0
    (x-2)^2*(x-3)^4*(x-4)^3>0
    1<2/x<3
    X^2-8X-36>0
    35*(11-a)+18a>=330
    ax^2+ax+3＞0
    5*(x+1)-3*x＞2*(2*x+3)+4
    sinax>0
    (100/(100+0.65X))-1.15*(100/(100+0.75X)＞0
    (100/(100+0.65X))-1.15*(100/(100+0.8X)＞0
    (2)*x^2+4x+3≥0
    (4/3)*x^2+4x+3≥0
    (3/4)*x^2+4x+3≥0
    1-3x/x+5≥0
    x^2-x-6<0
    -6x^2+7x-2≤0
    -6x^2+7x+2≤0
    （54.99+54.5+x）÷（4X4）≤110
    2m＾2+5m-3>0
    10<100-(83+x/3+x/2)<25

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