1-x>4 3x-4小于3 (3x-2)/3大于等于1 4x-5小于3x+2 2x-4大于3(x-2) 4x大于(x-7)
     2000a+104000 < 2650a+91000
     2000a+104000 <> 2650a+91000
    1.03^x>1.03x
    -55+A-A×4%/4-5≥10
    -55+A-A×4%/4-5≥10
    3/4大于等于ln-a/2
    3/4大于等于ln-a/2
    sin（x）+xcos（x）<0
    sin（x）+xcos（x）<0
    sinx+xcosx<0
    (6x-1)/(2x+7)+22/(x+5)>3
    sinx+xcosx<0
    2137-2(150-3x)>10237
    2137-2(3x-150)>10237
    -(1/4)x+(2/9)>(1/12)x-(4/9)
    x-(3x-8)/2<[2(10-x)]/7-1
    7/3x-[11(x-3)]/6<(3x-1)/5-(13-x)/2
    lgx-x^5>=3tanxcosx
    sinx+xtan(-3x^2)>8.11

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