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
    10-4(x-3)<=2(x-1)
    2(2x-3)<5(x-1)
    4(3y-1)+3(2y+9)<=3y-7
    2(x-1)<3(x+4)-15
    （11-x）(10-x)>6
    10-4(x-3)<=2(x-1)
    2*(2*x-3)<5*(x-1)
    1+1>x
    -e＾（-1）＋a-0.5*a＞0
    x/5-3<=(6*x)/5+2
    (9-3*x)/-5>=0
    2*x-5<=0
    5*(3-2*x)>0

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