(x-1)>1
    （x-6）（x+3）>0
    （x+1）/132<0.05
    （x+1）/132+1.5%<6.5%
    【（x+1）/132+1.5%】*（x+1）*2980-【（x/132+1.5%】*2980x>238
    (3*x-2)/3-(9-2*x)/3>(x+2)/2
    x²-4x-5＞0
    x*x-2*x-8＜0
    150x+100（10-10x）≤1250
    150x+100（10-x）≤1250
    150+100（10-x）≤1250
    （3x²+2x+1）/（x²+x+2）<=1
    （x+1）/（2-x）>=-2
    x/（x-1）>0
    3x加8减5（x减1）大于等于0
    xlnx+e(-x)>0
    x^2-4x-3＞0
    (-2)<(-1/m)<(3/2)
    12x减48小于4x减32
    x减4小于（x减8）除3

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