Olimpiada Nationala 2009 (problema 3)

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salazar
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Olimpiada Nationala 2009 (problema 3)

Post by salazar »

Determinati toate perechile de numere naturale impare \( \overline{ab} \) si \( \overline{cd} \) care au proprietatea ca prin impartirea lui \( \overline{cd} \) la \( \overline{ab} \) se obtine restul 2, iar prin impartirea lui \( \overline{abcd} \) la \( \overline{cd} \) se obtine restul \( \overline{ab} \).
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