Mathematics
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    x0^(-absx)>-10000
    !(xacosx)>0
    !(xlnx)>10
    3a/(2a+1)<1/(2a+2)-2a
    √(xex)>5
    abs(1-x)
    
(3^x-5^x)/(3^x+5^x)<1/2
    (2/3)^x≤1/20
    4x^2-8x+3<0
    4x^2-8x+3>0
    2*x-x*ln(4*x^2)>1
     √(x+√(2x-1))-√(x-√(2x-1))>0
    -m>m-1
    m>-m
    x^x<1
    lgxacosx+sqrt(-x)<1000000
    lnx<x>ex
    1<x>4
    -3<xx<-1
    1/(x+absx)+1/(x-absx)<100000

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