x>-1/3
(x-4)/2+(x+2)/6≤1/3
3(x-4)+(x+2)是4x-3<5x 刚才输错了4x-3<5x5x-4x>-3x>-3 (x-4)/2+(x+2)/6≤1/3 3(x-4)+(x+2)<=23x-12+x+2<=24x-10<=24x<=12x<=3-3
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