1-(x-1)/2>(x+2)/3-x
    -7*（x-3）<2*(4+2*x)
    x^2+2x-3<0
    x2+2x-3<0
    x3+2x-3<0
    4x^4+8x^3-5x^2+9<0
    -4+e-e2<0
    e2-6e+9<=0
    4e2+4e+1>=0
    x-x2+6<0
    3e2-3e+1>-3/2e2
    e-e2+6<0
    e2+2e-3<=0
    （x^2）-1>=0
    1-[(a+0.5349)-(a*0.5349)]>1-0.5930
    x-(1+x*1%）≥60
    a^2-1.0698a<0.8791
    x-(1+x*1%）≥10
    2a-1＜0＜a
    120x-4X>X

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