User contributions for Andrei.Horvat

11:0811:08, 20 July 2024 diff hist −40‎ Gazeta Matematică ‎No edit summary current Tag: visualeditor
11:0711:07, 20 July 2024 diff hist +498‎ Gazeta matematică 2022 ‎No edit summary current
11:0511:05, 20 July 2024 diff hist −248‎ Gazeta Matematică ‎No edit summary Tag: visualeditor
11:0411:04, 20 July 2024 diff hist +32‎ Gazeta matematică 2018 ‎No edit summary current Tag: visualeditor
11:0211:02, 20 July 2024 diff hist −25‎ Gazeta matematică 2018 ‎ →‎Gazeta Matematică 4/2018 Tag: visualeditor
11:0211:02, 20 July 2024 diff hist +1,396‎ Gazeta matematică 2018 ‎No edit summary Tag: visualeditor-switched
10:5310:53, 20 July 2024 diff hist +118‎ Gazeta matematică 2018 ‎No edit summary Tag: visualeditor
10:5210:52, 20 July 2024 diff hist +31‎ N Gazeta matematică 2018 ‎ Pagină nouă: == Gazeta Matematică 4/2018 == Tag: visualeditor
08:5108:51, 20 July 2024 diff hist +219‎ S:L22.108 ‎No edit summary Tag: visualeditor
08:4208:42, 20 July 2024 diff hist +2‎ S:L22.108 ‎No edit summary Tag: visualeditor
08:3708:37, 20 July 2024 diff hist −4‎ S:L22.108 ‎No edit summary Tag: visualeditor
08:3508:35, 20 July 2024 diff hist +475‎ S:L22.108 ‎No edit summary Tag: visualeditor
08:2908:29, 20 July 2024 diff hist +1,151‎ S:L22.108 ‎No edit summary Tag: visualeditor
08:0708:07, 20 July 2024 diff hist +422‎ N S:L22.108 ‎ Pagină nouă: '''S:L22.108. (Nicolae Mușuroia)''' ''Fie <math>A, B \in \mathcal{M}_3 \left( \mathbb{R}\right)</math> cu <math>AB = BA</math>, <math>A^2+B^2</math> neinversabilă și <math>\det(A) = \alpha \cdot \det(B) \ne 0</math>, unde <math>\alpha \ne 1</math>. Arătați că <math display="block">\frac{\det \left(A+B\right)}{\det \left(A+B\right)} = \frac{\det(A) + \det(B)}{\det(A)-\det(B)}. </math>'' '''Soluție.''' Tag: visualeditor-switched
08:0608:06, 20 July 2024 diff hist +11‎ Gazeta matematică 2022 ‎No edit summary Tag: visualeditor
08:0308:03, 20 July 2024 diff hist +136‎ Gazeta matematică 2022 ‎No edit summary
08:0208:02, 20 July 2024 diff hist −86‎ Gazeta matematică 2022 ‎No edit summary Tag: visualeditor
07:5607:56, 20 July 2024 diff hist +367‎ Gazeta matematică 2022 ‎No edit summary
07:5607:56, 20 July 2024 diff hist +31‎ N Gazeta matematică 2022 ‎ Pagină nouă: == Gazeta Matematică 3/2022 == Tag: visualeditor

18:3318:33, 17 July 2024 diff hist +163‎ Gazeta matematică 2020 ‎No edit summary current Tag: visualeditor
18:2818:28, 17 July 2024 diff hist −24‎ Gazeta matematică 2020 ‎No edit summary Tag: visualeditor
18:2418:24, 17 July 2024 diff hist +420‎ Gazeta matematică 2020 ‎No edit summary Tag: visualeditor
18:2118:21, 17 July 2024 diff hist +358‎ Gazeta matematică 2020 ‎ →‎Gazeta matematică 9/2020 Tag: visualeditor
18:1618:16, 17 July 2024 diff hist +263‎ Gazeta matematică 2020 ‎No edit summary Tag: visualeditor
18:0518:05, 17 July 2024 diff hist +115‎ Gazeta Matematică ‎No edit summary
18:0318:03, 17 July 2024 diff hist +276‎ Gazeta matematică 2020 ‎No edit summary Tag: visualeditor
18:0218:02, 17 July 2024 diff hist +20‎ Gazeta matematică 2020 ‎No edit summary Tag: visualeditor
18:0018:00, 17 July 2024 diff hist +31‎ Gazeta matematică 2020 ‎ →‎Gazeta matematică 4/2020 Tag: visualeditor
17:5817:58, 17 July 2024 diff hist +5‎ Gazeta Matematică ‎No edit summary Tag: visualeditor
17:5417:54, 17 July 2024 diff hist +86‎ Gazeta Matematică ‎No edit summary
17:5017:50, 17 July 2024 diff hist +19‎ E:15694 ‎No edit summary current
17:4517:45, 17 July 2024 diff hist −1‎ m E:15694 ‎No edit summary Tag: visualeditor
17:4217:42, 17 July 2024 diff hist +1‎ E:15694 ‎No edit summary Tag: visualeditor
17:4117:41, 17 July 2024 diff hist +14‎ Gazeta matematică 2020 ‎No edit summary Tag: visualeditor
17:3917:39, 17 July 2024 diff hist +224‎ Gazeta matematică 2020 ‎No edit summary Tag: visualeditor-switched
17:3617:36, 17 July 2024 diff hist −238‎ Gazeta matematică 2020 ‎No edit summary
17:3617:36, 17 July 2024 diff hist +494‎ N Gazeta matematică 2020 ‎ Pagină nouă: <nowiki>'''</nowiki>E:15698 (Cristina Vijdeluc și Mihai Vijdeluc, Baia Mare)<nowiki>'''</nowiki> <nowiki>''</nowiki>Determinați numerele naturale<nowiki>''</nowiki> <nowiki><math>a</math></nowiki><nowiki>''</nowiki>,<nowiki>''</nowiki> <nowiki><math>b</math></nowiki><nowiki>''</nowiki>,<nowiki>''</nowiki> <nowiki><math>c</math></nowiki> <nowiki>''</nowiki>pentru care<nowiki>''</nowiki><nowiki><math display="block">\left(2020 a \right)^2 + \left(2021 b\right)^2 = 2022 c^2</... Tag: visualeditor
17:3517:35, 17 July 2024 diff hist +27‎ m Gazeta Matematică ‎ Adăugare pagina GM2020 Tag: visualeditor
08:5108:51, 17 July 2024 diff hist +29‎ Gazeta Matematică ‎No edit summary Tag: visualeditor
08:5108:51, 17 July 2024 diff hist −1‎ E:15777 ‎No edit summary current Tag: visualeditor
08:5008:50, 17 July 2024 diff hist +1,509‎ N E:15777 ‎ 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: visualeditor-switched

17:4417:44, 9 June 2024 diff hist +2‎ Gazeta Matematică ‎No edit summary Tag: visualeditor
17:3517:35, 9 June 2024 diff hist +1‎ 27024 ‎No edit summary current Tag: visualeditor
17:3517:35, 9 June 2024 diff hist +33‎ 27024 ‎No edit summary Tag: visualeditor
17:3117:31, 9 June 2024 diff hist +732‎ 27022 ‎No edit summary current Tag: visualeditor
17:2217:22, 9 June 2024 diff hist +26‎ N 27022 ‎ Pagină nouă: 27022 (Guntter Gotha) Fie
17:2117:21, 9 June 2024 diff hist +44‎ Gazeta Matematică ‎No edit summary

10:4410:44, 29 February 2024 diff hist +571‎ E:16203 ‎ Finalizare current Tag: visualeditor
10:3610:36, 29 February 2024 diff hist +305‎ E:16203 ‎No edit summary Tag: visualeditor
10:3110:31, 29 February 2024 diff hist +431‎ E:16203 ‎No edit summary Tag: visualeditor

20 July 2024

17 July 2024

9 June 2024

29 February 2024