（3x+1）^2/3＜（x-1）^2/3
    （3x+1）/(2-x)<=4
    （3x+1）/2-x<=4
    -50+X-（X+100)*1%≥10
    30-2x≤18
    e＾x-㏑x-2>0
    sin(sin(x))>0.1
    sin(sin(x))>0.9
    sin(sin(x))>0
    sin(x)>0
    tan(x)>1000
    sin(x)>2
    sqrt(0*x)>=0
    sqrt(0*x)<4
    sqrt(0*x)<-1
    sqrt(x)>10
    sqrt(x)>1e100
    100000x<10^8
    x<10000000
    x<10^5

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