√(3x+1)>=√(x-3)
    (158046+2*c)/(72036+c)-(257463+3*c)/(158046+2*c)<0.5
    x+1≥3x-3
    4x＞2x-6
    (x+1)/(x-5)>0
    160a+10(50-a)>=4100
    800a+60(50-a)<=22240
    2√3tanx+2-2tanx>0
    2√3x+2-2x>0
    -2x∧2-2x+3＜0
    x+1＞2x-6+4
    5x+2≥4x-1
    6+x-2＜6
    2x+4≤3x+3
    1/2x＜3
    2x-1＞-x
    x+5＞4x+1
    3x-2＜x+1
    100-Y-Y×12%/4×2≥30
    3x＞ln10x

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