Mathematics
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    abs(2x-1)>4x+3
    abs(3-abs(x-11))>2
    1≤abs( 1-2x)<3
    1<=abs(1-2x)<3
    abs(2x+3)<7
    abs(3x+2)>5
    4x^4+8x^3-3x^2-2x+1>0
    x^2-3x>1
    (n+2)^2>2*n^2
    15+x>10+(30-x)
    10x>5
    ax>3
    (2k+1)^2-4(k^2+1)>0
    (4x+1)(x+1)<=0
    3x(x+1)<=0
    (2x-1)(x+1)<=0
    (3x+3)(x+4)<=0
    (3x+14)(x+3)>=0
    sqrt(x*(120-x))-36>9*sqrt(17)
    60-sqrt((60-x)^2+10.5^2)>18

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