Mathematics
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    lnx>0
    logx²>0
    1+2x+3>3x
    x-4<3x-6
    3x+6-4x-2≤6
    3x-3-x<3
    (x+1)(x+1)>2
    1-1/(x+1)(x+1)<1/2
    x(x-3)<3x(x+2)-2x2-3
    (2x-1)/3-(10x+1)/6>5/4x-5
    (3x-8)/2+1>2(10-x)/7
    x^10-55x^8+1023x^6-7645x^4+21076x^2-14400>0
    x*x*x*x-10*x*x+9<0
    10y+63-3y≥39
    10y+3(21-y)≥39
    10x≥-5x
    275x+1875-125x<11000
    x>25 x<55
    x>x×2
    4/x-2≤x+1

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