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Mathematics, 05.12.2021 14:00 haily13

(4. La sfârșitul fiecărei săptămâni, Dina iese în mijlocul naturii lângă un lac cu nuferi. „În a doua săptămână erau de două ori mai mulți nuferi și
încă 2. In a treia săptămână am numărat de trei ori mai mulți nuferi,
minus 3, față de săptămâna precedentă. Dacă-n a treia săptămână am
numărat 57 de nuferi, câți nuferi au fost la sfârşitul primei săptămâni?"
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(4. La sfârșitul fiecărei săptămâni, Dina iese în mijlocul naturii lângă un lac cu nuferi. „În a d...
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