Mathematics
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current location:Mathematical operation > History of Inequality Computation
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36-2x≦19
    38-2x≦19
    38-20≦19
    x^3+x+2<0
    24k>=-18k^2-8>=51k
     (3x-2)/x>0
    4440×a≤3000×a+150×(a×(a-1))/2
    (3a+1)/2 > a
    x^3+3*x+9>=5x^2
    36×(x+1)^2-4×(3×x^2+2×x+1)×(9-2x^2)>0
    -1<=-3/a<=2
    4875000/((400+x)^2)<=1.7
    4875/((0.4+x)^2)<=1.7
    4875/((400+x)^2)<=1.7
     x*3+1 > (x*3+1)/2
    x*3+1>(x*3+1)/2
    67.5-2/tan(x)-67.5/2/sin(x)/sin(x)>1
    1+x<3
    -m+(m2+4)^1/2<=4

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