12.26635+(105-1736*y)^2/(1736*y)<=16.01
    12.26635+(105-1736y)^2/(1736y)<=16.01
    -1/2x^2 + 4.75x - 0.5 > 0
    （2k+1）^2-4（k^2+1）>0
    3x^2-3x+5≤0
    -x^2+x-2<=0
    12*x≤x*6
    12x≤x*6
    12x≤x+6
    (859*1.466+14695*a)*10.8+14695*0.33>(859+14695*1.466*a)*10.8+14695*1.466*0.33
    (859*1.466+14695*a)*9+14695*0.33>(859+14695*1.466*a)*9+14695*1.466*0.33
    4－4（2m－1）≥0
    x^2-3x-10≤0
    x/340-x/4500>0.1
    x-5<2（2x-1）
    9>x
    (x-1/2x-4）<=1
    x-1/2x-4<=1
    3x+6小于0
    a*a＋2a－803≤0

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