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2014-10-06T15:20:38+03:00
Cel mai inteligent răspuns!
2014-10-06T15:23:13+03:00
(4xl+5)-12=5
(4xl+5=5+12
4xl+5=17
4xl=17-5
4xl=12
l=12:4
l=3
2 5 2