1.0201*t^4-2.006231*t^2+0.0201>0
    0.9801*t^4-1.993831*t^2-0.0199<0
    a+3>2
    1.0404*t^4-2.012524*t^2+0.0404>0
    t^4-1.85*t^2-0.0396<0
    t^4-2*t^2-0.041<0
    t^4-2t^2-0.041<0
    logax＞2
    4x+1＞3x
    3x-2x≤2x
    [n^2*(353.88+32.988n)]/6-169.822-80.651n ≥[n^2*(224.187+11.279n)]/5
    x+3＞-3
    tanx>5/(4-5sqrt(3))
    (5*sqrt3-2)*sinx+5*cosx-5 > 0
    (5*sqrt3-14)*sinx+5*cosx+5 > 0
    (x+3)/(x-4)<=2
    3-x÷x-2>0
    m^2-2m-8<0 m^2+3m-10>0
    2X^2+5X-3<0
    3X+1/2>2X-1 X+1>0

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