2x+3≥x+1 2x-1/3＜2+x
    2x+3≥x+1
    2（1-x）>6
    50-20<44 20-3m>14
    1114514/x>114514/1919/810/3
    1-5x>1
    (3*t1 - 1)*(24*t1^2 -20*t1 + 3)>0
    2000x-1250x-31200≥144000
    4a^2-4a＞0
    3X+2<5X
    3＜11.7×（8-x)÷（26.6x÷3.5）＜6
    3＜11.7×（8-x)÷（26.6x÷3）＜6
    3＜11.7×（8-x)÷（26.6÷3x）＜6
    3＜11.7×（8-x)÷26.6÷3x＜6
    3＜11.7×（8-x)÷26.6x＜6
    11.7×（8-x)÷26.6x＜6
    7-3/2x>=1/2-1
    5x+2>3x-1
    abs(4x-5)<-2
    abs(4x-5)<=-2

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