5X-1≤3X+3
    4X-6＜X
    14-2x≥6
    3X+2≥x-1
    6X+15＜4X-1
    2X-6＜3X
    2x－6＜3X
    2X＋2＞6
    2x^3-3x^2-12>0
    112≤70×（100-10R）×0.01R
    112≤（100-10R）×0.01R
    -（X）^2+sqrt（8-X）＜-14
    ex-e(-x)＜1
    70x<=80(60-x)
    x^3-7x-6＞0
    （n－2）/2^n≥(n－18)/16
    lg(x^2+8*x+12)-lg(x^2+11*x+28)>0
    x ^ 2 + 11 * x + 28 > 0
    lg(x^2+8*x+12)>lg(x^2+11*x+28)
    x^2-2*x+1>0

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