15678: Revision history

16 January 2024

• curprev 10:4210:42, 16 January 2024‎ Andrei.Horvat talk contribs‎ 1,623 bytes +1‎ No edit summary undo Tag: Visual edit
• curprev 10:4010:40, 16 January 2024‎ Andrei.Horvat talk contribs‎ 1,622 bytes 0‎ No edit summary undo
• curprev 10:4010:40, 16 January 2024‎ Andrei.Horvat talk contribs‎ 1,622 bytes +19‎ No edit summary undo Tag: Visual edit: Switched
• curprev 10:3810:38, 16 January 2024‎ Andrei.Horvat talk contribs‎ 1,603 bytes +3‎ No edit summary undo Tag: Visual edit: Switched
• curprev 10:3710:37, 16 January 2024‎ Andrei.Horvat talk contribs‎ 1,600 bytes +1‎ No edit summary undo
• curprev 10:3610:36, 16 January 2024‎ Andrei.Horvat talk contribs‎ 1,599 bytes +416‎ No edit summary undo
• curprev 10:2910:29, 16 January 2024‎ Andrei.Horvat talk contribs‎ 1,183 bytes −31‎ No edit summary undo Tag: Visual edit
• curprev 08:4208:42, 16 January 2024‎ Paul Matei talk contribs‎ 1,214 bytes +826‎ No edit summary undo
• curprev 07:4707:47, 16 January 2024‎ Paul Matei talk contribs‎ 388 bytes −148‎ No edit summary undo
• curprev 07:3907:39, 16 January 2024‎ Paul Matei talk contribs‎ m 536 bytes 0‎ Paul Matei a redenumit pagina 14441 în 15678 undo

13 January 2024

• curprev 16:5216:52, 13 January 2024‎ Paul Matei talk contribs‎ m 536 bytes 0‎ Paul Matei a redenumit pagina Utilizator:Paul Matei în 14441 undo
• curprev 16:3316:33, 13 January 2024‎ Paul Matei talk contribs‎ 536 bytes +536‎ Pagină nouă: '''14441 (Constantin Apostol, Rm. Sărat)''' ''Arătați că oricare ar fi cifrele '' <math>a</math> '' și <math>b</math>, numărul <math>\overline{ab15}</math> are un număr par de divizori naturali.'' '''Soluție:''' ''Se știe că un număr natural cu un număr impar de divizori este pătrat perfect.De asemenea, un pătrat perfect care are cifra unităților 5 are cifra zecilor 2.Cu acestea, dacă presupunem că numărul <math>\overline{ab15}</math> are un număr i...