(x^2-7x+10)/(x-3)>=x-2
    (x^2-5x+6)/(3-2x)>x-3
    (x^2-5x+6)/3-2x>x-3
    e^x-2x
    x＾2-110x+3000<0
    5x-1>3(x+1) 1/2(x)-1>3-3/2(x) x-1<3x+1
    2x-1＞-x
    x/2<=（x-1）/3
    3(x+2)
    1<2x-3
    2x<3 1+x<2x
    x-3<=0 x/2>1
    600+2x-33x<0
    (x^2+5x+4)/(x-3)>=-2x
    (2x^2+3x+1)/(2-x)<0
    4(x-0.3)<0.5x+5.8 3+x>0.5x+1
    4(x-0.3)<=0.5x+5.8
    400+0.6(x-400)<0.8x
    (x-2)/(3x-2)＞1
    2x∧2-9x+4＜0

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