(3+x)/3>1-(2-x)/2, (-11)/12-(x-1)/3=(3+4x)/5-1, 6x+2(x-4)<=5(x-4)
    -11-4x+4<3x
    13.5z-710<14.25z-835
    6+2x>6-6+3x
    2x∧2-5x-13>0
    6x+2x-8<=5x-20
    6x+2(x-4)<=5(x-4)
    35-5x>=6+8x-10
    x+x^2+x^3+x^4+x^5+x^6>=99
    m+m+20≥72 40m+18(m+20)≤2000
    9+4a^2>4-8a
    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

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