S:E15.208-sol2: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

19 August 2025

  • curprev 16:2016:20, 19 August 2025‎ Andrei.Horvat talk contribs‎ 2,188 bytes +2,188‎ Created page with "'''S:E15.208 (Angela Lopată)''' ''Determinați toate numerele naturale consecutive care au suma <math>2015</math>.'' '''Soluția 2.''' Fie <math>N\in \mathbb{N}\setminus\left\{0,1\right\}</math> numărul de termeni ai sumei. Cum suma a <math>4n</math> numere consecutive este un număr par, iar <math>2015</math> este număr impar, deducem că <math>4 \nmid N</math>. Pentru <math>N=4n+2</math>, cu <math>n\in\mathbb{N}</math>, suma se poate scrie <math display="block"..."
Retrieved from "http://wiki.universitas.ro/wiki/S:E15.208-sol2"