Mathematics
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current location:Mathematical operation > History of Inequality Computation
    2.78*x/(1400+x)>1,
    2.78x/(1400+x)>1
    2+3x-2x²>0
    x^2-x-6≥0
    4<5
    x^2-10x<-1
    (25+x)(80000-2000x) ≥25*80000
    216000000≤300×461×420+14.3×200X(455-X÷2)
    216000000≤300×461×420+14.3×200X(355-X÷2)
    x²-x+1/4<0
    3564300≤11.9×1000X(65-X÷2)
    125000000≤11.9×250×X(465-X÷2)
    5>X+1
    abs(3t-0.5*t*t)<=4
    67+21n>23+11n
    (x-1)*(x-2)/(x-3)>0
    M^2+4M<0
    4-4(1+a)<0
    3+198n>92+78n
    15x^2-8400-392x≤0

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