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2014-06-24T16:42:43+03:00
4c.............8lei
3c..............x

x=3*8/4

x=3*2
x=6lei
2 5 2
2014-06-24T16:43:20+03:00
8:4=2(lei costa un caiet)
2x3=6(lei costa 3 caiete)
1 5 1