-17*(x-39)^2*x^4*(x+1)^2/3125000 + (x-39)*x^3*(x+1)/8750 + x^2*(x+1)/625 - 8*(x-1)^2*x^3*(x+1)/31250 + (x-1)*x^2*(x+1)/375 - x^2*(x+1)/625 + x^4*(x+1)/6250>0
    -50-（100+X）×1%+X≥10
    -62845 * x + 760 * ( 450 - x ) > -0.3 * ( 150000 * x + 15000 * ( 450 - x ) )
    4X-4<3X+2<4X
    -62845 * x + 760 * ( 450 - x ) > -0.4 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.32 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.4 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.3 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.2 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.1 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.4 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.5 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845 * x + 760 * ( 450 - x ) > -0.3 * ( 150000 * x + 15000 * ( 450 - x ) )
    -62845x+760(450-x)>-0.2*(150000x+15000*(450-x))
    -62845x+760(450-x)>-0.2*(150000x+15000(450-x))
    2X²+3X≥0
    （56－2x）x≥360
    X²-2X+1>0
    X²-3X+5>0
    4X²-12X+9<0

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