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Cel mai inteligent răspuns!
2014-08-08T12:27:18+03:00
-2 ≤ | x+1| ≤ 2

-2 ≤ x+1 ≤ 2  |-1

-3 ≤ x ≤ 1    =>A={ -3,-2,-1,0,1}
7 3 7