-（x+1）＜5
    2/3y＞-6
    11-4x＞0
    -1.2-x＞2
    -x/2＞x/3
    3609.52x^5+190763.58x^4+2680300.34x^3+639431699.1x^2+8530456104x+262639704.8>0
    x/1＜3
    x/2＞2
    3x<1+2x
    x-3>1
    x-5/3+1>x+2/4
    3-3x<2x+18
    －2x＞2
    a+1>2
    3a-1>5-2a
    x<=x-2/3+2
    3a-5<1-2a
    -x+7>=2x-2
    x-2<3x-2
    （0.4x-1)/0.5-(5-x)/2≤（0.03-0.02x）/0.1

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