3x-2x+5大于1
    4x/2+5-2x/4-1≤1
    4X+5/2一2X一1/4≤1
    -432x＜-72/x-18
    9.82×（1＋X）^30＜15
    absx＜2
    ((X-3)/2)+3≥X+1 1-3(X-1)<8-X
    2X+14<5(X+4) X≤(2X/3)+1
    x+2≥-1 0.5x<1
    x+1≥4 2(x-1)>3x-6
    x+4≤3(x+2) (x-1)/2
    2x-1>5 ((3x+1)/2)-1≥x
    1-2(x-3)≤3 (3x-6)/2
    2x-1≤3 (x+3)/2>1
    2x>3x-2 (2x-1)/3>0.5x-2/3
    2x-5≤3(x-1) (x+7)/2>4x
    y+5<2(y+1) -4y≥(7-y)/2
    2(x-2)≤3(x-1) x/3<(x+1)/4
    (2x+1)/3>-3 1-2x>5
    2x+1≥-1 (1+2x)/3>x-1

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