Mathematics
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    1-2x+1>0
    x/x+3<2
    2^x+x-3>0
    1/2^X≥4
    4k(1-k^2)>0
    60t-1.5t^2>216 t<=-60/(2*(-1.5))
    60t-1.5t^2>216 t<=-60/(2*(-1.5))
    60t-1.5t^2>216 t<=-60/(2*(-1.5))
    2-3m^2>=0
    (21+d)(21+4d)<(21+11d)
    -3/2x²+30x>0
    x∧6+9x∧4+20x∧2+4<0
    9
    
9
    
sqrt(8-x)>x*x
    x>ex
    x>x-1
    x>x+1
    1-x>x
    x*x*x>2

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