625*x/(1035641+x)*5-x*0.003 >0.04
    622*x/(1035641+x)*5-x*0.003 >0.04
    623*x/(1035641+x)*5-x*0.003 >0.05
    622*x/(1035641+x)*5-x*0.003 >0.05
    4(x+2)-3(5x+2)<24
    x/2-3x>10
    (x+3)/2-(5x-1)/6>=0
    （16.7+78.68）/180>（196.7-x）/X
    78.68/180>（196.7-x）/x
    3x-1>1/2x+3
    3x-1<1/2x+3
    3x-1<1/2+3
    3a+5000-5a≤3800
    x-17≥0
    x(x+1)≥0
    x(x+1)≥5
    x≥5
    2.5x≥5
    x^3<0
    (47755*427+49000*X)/48228>=427+X<=20000

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