3x²×17x≤0
    1X²＋1400x≤4800
    b-√b²-12＞1
    b²-12＞0
    4-12(x-1)≥0
    1-2+a-1≤0
    5x-5<0
    X-25-(100+X)×1%≥10
    X - 50 - ( 100 + X ) * 1 % ≥10
    X - 50 - ( 100 + X ) * 1 % ≥10
    X-50-（100+X）*1%≥10
    X-50-(100+X)*1%≥10
    3x-7>5
    3x-7>5
    （2z^3+9z^2+z）/6≥-6^z
    2^x+7^x+x^2+x≥-125
    2^x+7^x+x^2+x<-125
    3^x>5x
    x^3>5x
    -17*(x-39)^2*x^4*(x+1)^2/3125000+(x-39)*x^3*(x+1)/8750+x^2*(x+1)/625-8*(x-1)^2*x^3*(x+1)/31250+(x-1)*x^2*(x+1)/375-x^2*(x+1)/625+x^4*(x+1)/6250 <0

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