Răspunsuri

2014-10-30T21:14:07+02:00
N= 2009c +r     r=10c      n=2009c +10c = 2019c
r < 2009, divizibil cu 10  ⇒ r max =2000 ;  c=200
n = 2009·200 + 2000 = 401800 +2000 = 403800
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