Editing E:16379
Revision as of 18:41, 27 December 2023 by Fellner Arthur (talk | contribs) (Pagină nouă: '''E:16379 (Cristina Vijdeluc, Salonic şi Mihai Vijdeluc, Baia Mare)''' ''Aflaţi numărul natural ''<math>\overline{ab}</math>'', cu cifre distincte, pentru care ''<math>(\overline{ab} - \overline{ba} : (a - b) = \overline{bb} \cdot \overline{ba} - 2015.</math> '''Soluție:''' Egalitatea din enunţ se mai scrie <math>\overline{ab} - \overline{ba} = (a - b) \cdot (\overline{bb} \cdot \overline{ba} - 2015).</math> Descompunând <math>\overline{ab}</math> şi <math>\overli...)
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