abs(x-3)<2
    2x-3<1
    abs(x-1)<=2
    x*1.06＞（1-x）*1.013
    x*1.06＞（1-x）*1.022
    3*abs(x-1)<15
    2+abs(x-1)>5
    abs(1-2x)<=1
    10*x^2-36*x+9<0
    1/a>-1/2
    1/a>=-1/2
    （x+2）^2＞-2
    200*135+(12x+2400/x)*95<70000
    5x^2+15x-44.8≤0
    25π/（2×（5-4×x）×（5-4×x）×（1+24×x））＜1
    x^2+16*x+24>=0
    X2-3X+2＞0
    n^2-13*n+24<0
    (3m-6)(m-5)<0
    lnx<=0

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