162.86ln（16x）/x≤5
    162.86（ln16x）/x≤5
    162.86/x×（ln16x）≤5
    40.717/x×（ln16x-1）≤1
    1+x<0
    4X>X-7/2
    4X>x-7/2
    0.76*a*200-40*0.24*a≥100000
    -12500-(50000+X)*12%/12+X≥5000
    sin(sinx)
    (m-3)/3 > (2+m)/5
    x+2>2x
    (2/x)>=2x
    x-3(x-1)<5
    -4082750+x-450000-x×10%÷4≥3000000
    -4082750+3000000+x-450000-x×10%÷4≥3000000
    4/5小于等于(1-m)/2
    -450+x-x×8%÷4-690≥500
     6x-2大于等于3x-4 (2x+1)/3-0.5(1-x)小于1
    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)/2 6x-2大于等于3x-4 (2x+1)/3-0.5(1-x)小于1

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