2/11<(1.5x-2.2)/25<7/22
    40（x-90）-40x*0.1>=900
    40（x-90）-40*0.1>=900
    -3x^2+5x-4≥0
    (3x+2)(x+2)>4
    (x+1)(x+2)<(x+1)(2-x)+1
    [2(m-1)]^2-4*1*(2m+6)≥0
    x2大于x
    -3x∧2+2x≥0
    -3x∧2+2x≥0
    (7.595798009880106 * ((35 - (3.2891) * ln(200 / (3.2891 / lamadaH))) - 10 - 0.051 * ((3.2891 / lamadaH) - 0.1))) / ln((3.2891 / lamadaH) / 0.1)>=10
     ((25 * (0.45964 - (ln(x)/ln(2000)))+0.0051-0.167743/x) * 7.59)/ (3.49319393 - ln(x))>=10
    4x^2-3x-2≥0
    2/3*x-(3x+4)/6<=2/3
    x^3-3x+1<=-1
    5x+1>3(x-1)
    x^3-3x+1>-1
    -2/3m-1<0
    -6a+4<-3a-1
    x-1/2

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