2^(x+2)>2^2x+3
    2^x+2>2^2x+3
    sinx≥5/8
    sinx≥5/8
    x²＞2
    3x^2-17X<0
    (x^2+1)/(x−3)>(x^2+1)/(3x−2)
    -x²+4x-4<0
    x²+4x-5＞0
    （x-5）(x+1)(x-3)＜0
    （x²-4x+5）(x-2)＜0
    －1/2x^2+4.75x-0.5>0
    －1/2x^2+4.75x－0.5<0
    1/2x^2+4.75x-0.5<0
    2/(m-2)<0
    2/m-2<0
    3t^2+15t-320≤0
    （-x＋5）（x－3）＞0
    -5<(2x+1)/(2x-1)<5
    12x+0.6>2.5-5x

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