3x²-6x+2＜0
    (1-0.3) ^x<0.2
    3x²-6x+2＞0
    -2x²-x≤-3
    (-1-x)/x>0
    13-X2>-3
    x²－3x－10＞0
    13－x²＞－3
    sin(sin(x))<√3/2
    (1-0.3) ^x<0.2
    （x－1）²（x+3）<0
    -X2+2x+4≥0
    -2x²-x≤-3
    -2x²-x+3≤0
    -2x+x≤-3
    X²-3x+4＞0
    (1-0.3) ^x<0.2
    1*(1-0.3) ^x<0.02
    abs(x-3)+abs(x+4)≥9
    -16X²+8X-1≤0

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