5(x-1)/6-3>2(x+1)/3-2 5+3(x+1)/8<6-x-1/4
    5(x-1)/6-3>2(x+1)/3-2
    2.71828^(-x/500000) ＜ 0.5
    e^(-x/500000) > 0.5
    x-1<6
    x-1
    (360-300)y+(324-300)(100-y)>=3210
    3(y−3)−5y≤−3y−6
    x^2+16>5x
    k^2+3k+13＞0
    1-(x*0.001)-[(1-x)*0.002]<0.03
    1-(x*0.001)-[(1-x)*0.02]<0.03
    2a^2-a-1>0
    -3x^2-2x+1<0
    a^2+4a-5>0
    x^10-110x+110>0
    x^7-56x+56>0
    x^6-42x+42>0
    x^5-30x+30>0
    x^4-20x+20>0

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