Răspunsuri

2014-06-03T18:10:08+03:00
3x-9<0 , 
3x< 9 ⇒ x < 9 : 3 ⇒ x < 3 
 x ∈ { 0,1,2}

3 4 3
2014-06-03T18:10:44+03:00