2*x>0
    y^2-8*y-8≥0
    0.96x-0.96^x>0.9999
    m^2-99m+1225<0
    x+6=4/x
    4m^2-184m+2115=0
    sqrt(sqrt(a))+sqrt(a)>sqrt(sqrt(a^2-6))+sqrt(a^2-6)
    sqrt(sqrt(a))+sqrt(a)=sqrt(sqrt(a^2-6))+sqrt(a^2-6)
    sqrt(a)+4√a>sqrt(a^2-6)+4√(a^2-6)
    x*3-3x*2-2x+1
    x*3-3x*2-2x+3
    3x
    (x^2-1)^1009+x^2018+2*x^2-1<=0
    x-2/x≤0
    5x^2+18x-23<0
    sqrt（2x-x^2）≥0
    x^2-2x≥0
    2x-x^2≥0
    -m-1／1-m*m>0
    -m-1／1-m*m<1

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