8-4X>32
    4-2X>16
    -1
    x（x-2）<0
    lnX<1
    0.0001^2-0.089x-7<0
    -x^2+200x-9100≥0
    -16x^2+48x-32≥0
    a+sqrt(a^2-a)<1
    {2x-1>=3{3x-2<7
    {2x-1>=3 {3x-2<7
    -x＜-6
    x-6<0.1
    10x<2/5
    |1/3x>|=7
    1/3x>=7
    3x>=7
    (2x+1)/(2x-1)＞0
    5X（X+2）大于0
    1<=x<=3

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