ONM 2010 Calarasi Problema 2

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Andi Brojbeanu
Bernoulli
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Joined: Sun Mar 22, 2009 6:31 pm
Location: Targoviste (Dambovita)

ONM 2010 Calarasi Problema 2

Post by Andi Brojbeanu »

Determinati patratele perfecte nenule care se pot scrie sub forma \( \overline{abcd}-\overline{dcba} \), unde \( a, b, c \) si \( d \) sunt cifre nenule si \( b<c \).
Brojbeanu Andi Gabriel, clasa IX-a
Colegiul National "Constantin Carabella" Targoviste
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