Răspuns :

Ctinamaria31xxxid
damigeana=30l
bidon=5l

umple1 bidon: 30-5=25l ramasi
umple al doilea bidon: 25-5=20 l ramasi
umple al treilea bidon=20-5=15l ramasi
umple al patrulea bidon=15-5=10 l ramasi
umple al cincilea bidon: 10-5=5l ramasi
umple al saselea bidon=5-5=0l ramasi

Deci a umplut 6 bidoane


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