Решите систему неравенства: { 1-5х>12 {6х-18>0; 2){ х^2+х-6>0 {х^2+х +6>0; 3){х<0{21х^2+39-6<0; 4){3х-18>0{4х-12>0; 5){х^2-144>0 {х-3 <0; 6)х^2+4х-5>0{х^2-2Х-8 <0.
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