Mathematics
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    3x^2-8x+4>0
    ex+(2-e)x-1/x>lnx+1
    (x-1)/x>1
    (2/5)b<=180-(7/5)b<=b
    (2/5)b<=180-(7/5)b
    x^2/1<1
    x²+ x+6≤0
    0
    
2-x≥0
    100/(1+(x-1)^1.2)<(2.5*(sqrt(2*x+0.25)-0.5))/x
    2x+3/x-1大于等于1
    2x+3/x-1>1
    1+(x-1)^1.2<0.25*x
    (x^2)-15x<=0
    (x^2)-15x>=0
    (x^2)-15x-2000>=0
    -3x^2+6x<=2
    x²+x-1<0
    x²-x+1>=0
    (x+2)²>=0

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