(x+3)*(x+1)*(x-1)^2*(x-5)>=0
    (x+3)*(x+1)*(x-1)^2*(x-5)>0
    0.999＜0^x＜1.001
    ex-x-1＜0
    1.03^x-0.03x-1＜0
    x/2-(x-1)/4<=1
    x-2(x-3)<4
    200*（0.9）^x<20
    ex≥x+1≥lnx+2
    asinacosx＞1
    lg(abs((-absx+4)abs(-absx+1))-1)≤0
    abs((-absx+4)abs(-absx+1))-1≤0
    3X+（13-X）＞17
    5X-1≤3X+3
    4X-6＜X
    14-2x≥6
    3X+2≥x-1
    6X+15＜4X-1
    2X-6＜3X
    2x－6＜3X

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