Mathematics
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current location:Mathematical operation > History of Inequality Computation
    x/400 +4/5(380-x)≤0.85
    (1.7×25+5.5×55+(X-1.7-5.5)×65)×3.1415×1+1500×3.1415×0.25≥2×(136.93+6.4×X)
    5x-5小于2(2+x)
    2/3x+1/2大于或等于1/2x
    150a+100(12-a)≥1500
    5000a+3000(12-a)<54000
    5000a+3000(12-a)<5400
    x^5-4x^4+4x^3-x<0
    x^5-4x^4+4x^3-x>0
    ln(x+1)
    
5-x+2cos(x^2+x^(1/2))>0
    (x-1)^2(x^2-4x+1)>0
    (x-1)^2(x^2-4x+1)<0
    1-2x≥(x-3)/2
    3(x-1)>x
    x-3x-2≥4
    -3<2x+2-6x
    x1^2+x2^2>=328846.56/(x1x2)
    550*x+495*(7-x)<=7370
    2000-20x≤400/x+30

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