4x^2-18x+81/4<=0
    -x^2+x-2/3>0
    x+6x>5
    135-7.9m>10.4*21.33
    0.8t^2-3t+1.2>0
    0.8t^2-4sqrt3t/3+1.2>0
    (1.8-4.4(t^2))^2+((-3*t)+0.8*t^2+1.2)^2<1
    (1.8-4.4(t^2))^2+((3*t)-0.8*t^2+1.2)^2<1
    (1.8+4.4(t^2))^2+((16*t/3)-0.8*t^2)^2<1
    -(-1-x)^2+x^2-3≤0
    -(2-x)^2+x^2-3≤0
    2m-1>m-1
    2m-1
    4^x-8>0
    9^2x+1>27^3-x
    92x+1>273-x
    y<0
    y<0>
    x^x>114514
    2<3

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