Mathematics
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    2x^2-4x+2>0
    x+x^2+x^3+x^4<1
    x^3+2>0
    x2+2>4
    2<2.5<3
    acoslnlnx<3.15
    xsqrt(-absx)>-10000
    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

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