x-((3x-2)/4)>((2(1+x))/3)-1
    ((2a-1)/2)-((2a+5)/3)<((6a-7)/4)-1
    -3(x+1)-(x-3)<8 ((2x+1)/3)-((1-x)/2)<1
    (0.2+0.3x)/0.2>((0.1x-0.3)/0.04)-(1/2)
    1.5/(1+0.6x)≤150
    1.5/1.3^x≤150
    2+x>10
    451568+51x>1023369
    1-a>a>2a-4
    5x+2≤3x-6
    5x－4<2x+5
    e(-3.14*x/√(1-x^2))＜0.1
    8-7x+1<6x-4
    35000*d^3-80*d/π-256<=0
    （35/x^1/2）*1.645<5
    3－m÷m－4＜0
    (1+x)/(1-x)＞0
    n
    n>log(0.5,1-6.225/6.4)-1
    313.75x^5.33-0.0332x^1.33-0.01389856≤0

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