1-3x>0
    x>294×e^(-295×5)÷(1-e^(-294×8))
    e^(-1.52)×1.52^x÷!(x) >0.995
    e^(-1.52)×1.52^x÷!(x)>0.99
    100x>20
    12x>5
    （162.86ln（16x））/x≤5
    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

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