Mathematics
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    -3-2x>0
    2X-3>0
    3-2X>0
    -35.7+80lgx>6.5
    240x≥2x-(5-3.0005x)26
    450x+150*(600*15-600x)≥1600
    450x*100+650*(15-x)*150≥1600
    x(80000-(x-3)/0.1×2000)≥244800
    3y+1.2(18-y) ≤40
    abs(b+1-sqrt(b^2-2b-3)-6*b*((b+1-sqrt(b^2-2b-3))/2b)^2+4*b*((b+1-sqrt(b^2-2b-3))/2b)^3)小于1
    abs(b+1+sqrt(b^2-2b-3)-6*b*((b+1+sqrt(b^2-2b-3))/2b)^2+4*b*((b+1+sqrt(b^2-2b-3))/2b)^3)小于1
    abs((b+1+sqrt(b^2-2b-3))/2b)小于1
    abs((b+1-sqrt(b^2-2b-3))/2b)小于1
    (b+1-sqrt(b^2-2b-3))/2b小于1
    (b+1+sqrt(b^2-2b-3))/2b小于1
     6x-5≥-12
    7x+16≤-35
    6x-5≥-12
    -5<2x-3<5
    (x-2)/4<(x-1)/3

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