-3x^2+6x≤2
    -3^2+6x≤2
    2a-1<-2
    x>0 10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)>0 10-10x-10x^(2)-10x^(3)-10x^(4)>0 10-10x-10x^(2)-10x^(3)-10x^(4)-10x^(5)>0
    x>0 10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)>0 10-10x-10x^(2)-10x^(3)-10x^(4)>0
    10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)>0 10-10x-10x^(2)-10x^(3)-10x^(4)>0
    10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)>010-10x-10x^(2)-10x^(3)-10x^(4)>0
    10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)>010-10x-10x^(2)-10x^(3)-10x^(4）>0
    10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)>010-10x-10x^(2)-10x^(3)-10x∧（4）>0
    10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)>0
    10-10x>0 10-10x-10x^(2)>0 10-10x-10x^(2)-10x^(3)
    10-10x-10x^(2)>0
    x^2-2x/x-1>1
    x^2-10x+21>0
    4x^2-16x+7≤0
    1/3<(9xx－9x+2)/(9xx-1)<2/3
    4x^(2)十29x－24=0
    X^(2)－4X一3=0
    x^(2)十2X十1=0
    X^(2)一2X一3=0

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