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2014-02-25T18:49:24+02:00
400+120-(680/a+4*50)=286    520-(680/a+200)=286   680/a+200=520-286   680/a+200=234      680/a=234-200   680/a=34   a=680/34   a=20
multumesc mult!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
cu placere