4+x＞5x-24
    (12430535.08+x)/6919885.19>132%
    -48+X-X*2% ≥50
    -48+X-X*2%≥50
    1790+802.36*z+(2321.02*z+4808.41*z^2+79.47^4)/(166.92+34.56*z)-(26115.31*z^2+1136.2*z^3+79.47*z^4)/(493.98+207.39*z)>=0
    (2m+3)/7>0
    （x+3）/3-（x-1）/6≥1/2
    2x+3＞3x
    1.2z>0
    x/4≥（x-1）/3
    3（x+2）＞x+8
    x+3（x-1）＜1
    2x-1>0 x+1<=3 -3x-1>3 2x+1>3 3(x-1)+13>5x-2(5-x) 5-(2x+1)<3-6x x-3(x-2)>=4 (1+2x)/3>x-1
    （1+2x）/3＞x-1
    4-2x＜0
    x-1≥0
    4x-1＞x+2
    2x＜8
    x-5≤0
    4-2x≤0

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