sin(x)<1.000001
    sin(x)<=1
    a^2 + a - 2 < 0
    lg(3/4)/lgx < 1
    2 * (x^2) - 3 * x + 1 < x ^ 2 + 2 * x - 5
    3*(1+a/4)+8<2*(9-a/4)
    （-3x+6）（x*x+1）>8-3x*x
    3X≥14.4/11
    2.5-0.25k>0 2.5-1.25k-0.125k^2>0
    2.5-1.25k-0.125k^2>0
    2.72x>1.5 3.38(1－x)>1.5
    2.72x>1.5 3.38(1-x)>1.5
    x^4<=4
    -7/3-2/3m+(4-m)*1/3>4
    8x+10x+0.7*3000-20x+5000-25x>2348
    5-7x>=2x-4 1-(3x-3)/4<0.5
    2x-10+6<9x
    1/x-1>0
    3/x<-1
    3/x>1

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