Răspunsuri

2014-11-09T16:53:52+02:00
Cel mai inteligent răspuns!
2014-11-09T16:54:30+02:00
X+240 ≤247
x≤247-240
x≤7
x∈(7;6;5;4;3;2;1;0)
E inecuatie..
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