E:15777: 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.

17 July 2024

  • curprev 08:5108:51, 17 July 2024Andrei.Horvat talk contribs 1,508 bytes −1 No edit summary undo Tag: Visual edit
  • curprev 08:5008:50, 17 July 2024Andrei.Horvat talk contribs 1,509 bytes +1,509 Pagină nouă: '''E:15777 (Anca Mihiș, Baia Mare)''' ''Arătaţi că numărul natural ''<math display="block">A = \left( 2^2 \cdot 2^4 \cdot 2^6 \cdot \ldots \cdot 2^{2020}\right): \left(2 \cdot 2^3 \cdot 2^5 \cdot \ldots \cdot 2^{2019} \right).</math> ''este pătratul unui număr natural.'' '''Soluția 1.''' Folosind regulile de calcul cu puteri, numărul <math>A</math> devine <math display="block"> A = 2^{2-1} \cdot 2^{4-3} \cdot 2^{6-5} \cdot \ldots \cdot 2^{2020-2019}.</math> Deci... Tag: Visual edit: Switched