2X-3<0
    x*(e(0.0259*((3.2891/x)-1)))-32.891<=0
    x^5-102.5x-5432.4>0
    2*(x-1)+1-1
    2x-3>=-2
    2x-3<=2
    2>=(3+x)/(x+1)
    2>=(1+x)/(x+1)
    x^2-13x<-36
    ab-2√ab≧1
    ab-√ab≧1
    e^x-sin(x)>0
    -6x^2-x+12≥0
    (1-0.02)^n<0.01
    x^2+x-6≤0
    －4940＋a－a×2%≥6000
    x^2-5x+6<0
    2x^2-x-3≥0
    -3<=5-2*x<=7
    （x×x＋2x-2）÷（3＋2x-x×x）≤x

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