10d............2t............550lei
10d............5t.............1150lei
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3t______600lei
cat costa 1 trusa[t]?
600:3=200lei
cat costa 2truse?
200x2=400lei
cat costa 10 dictionare[d]?
550-400=150
cat costa 1dictionar?
150:10=15lei
CU PLACERE!!!!!!!