-4337.9967478-3.497*n+967.3884*n*n/6+30.4512*n*n*n/6>0
    (2x-1)/3-(6x-7)/4≥(2x+5)/12-1
    (x+1)/2-(2x-1)>2
    2(3+x)>=10
    2/3*x+2>0
    5/12-(x-1)/3<=x/6
    (3x+5)/4>(-11x-49)/16
    a-1＞0
    4/3x-（4x-5）/2≥-1
    (0.4x-1)/0.5-(5-x)/2<=(0.03-0.02x)/0.03
    (x+1)/5-(2x-4)/2<=x/2
    5x＋5＜2x－4
    (2x-1)/3-(5x+1)/2>1
    2（x－4＞3（x－5）
    1024.66-115.77*n+(42518.71*n^2+11607.38*n^3+760.5*n^4)/(714.9+117*n)>(26316.59*n^2+2294.67*n^3+48.02*n^4)/(561.96+29.4*n)
    4x-25+x>=85
    0<36-4x<8
    48x>=284
    3/2*x-8>=-(7-x)
    3/2*x-8>7-x

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