(이어서)117p/2(2)2<4-x<7/(3)-7<-2x-3<3/118p/1(1)5x+1200<2000(2)3+0.5x≥7(3)a≤-2/2.4/3.3/4(1)<(2)>(3)>(4)>/5(1)<(2)≥/6.-16/7.2/120p/1.x≥2/2.(1)x>15
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