Clasa a IX-a

Moderators: Laurian Filip, Beniamin Bogosel, Filip Chindea

New Topic

651 topics

Page 13 of 14
- Jump to page:
Previous
1
…
10
11
12
13
14
Next

Announcements

Replies

Views

Last post

Regulament

Last post by Filip Chindea « Wed Mar 26, 2008 11:21 pm

by Filip Chindea » Wed Mar 26, 2008 11:21 pm

0 Replies

1243 Views

Last post by Filip Chindea
Wed Mar 26, 2008 11:21 pm

Topics

Replies

Views

Last post

Patrulatere inscriptibile

Last post by mumble « Sun Mar 02, 2008 4:12 pm
Replies: 2
by Filip Chindea » Sat Mar 01, 2008 3:55 pm

2 Replies

1029 Views

Last post by mumble
Sun Mar 02, 2008 4:12 pm
Parte intreaga si puteri

Last post by mumble « Sun Mar 02, 2008 3:35 pm
Replies: 2
by Filip Chindea » Sat Mar 01, 2008 3:52 pm

2 Replies

923 Views

Last post by mumble
Sun Mar 02, 2008 3:35 pm
Inegalitate straightforward - valori absolute

Last post by Filip Chindea « Sat Mar 01, 2008 4:21 pm
Replies: 6
by Filip Chindea » Wed Jan 30, 2008 9:10 pm

6 Replies

1145 Views

Last post by Filip Chindea
Sat Mar 01, 2008 4:21 pm
Inegalitate cu valoare absoluta

Last post by turcas « Sat Mar 01, 2008 3:57 pm
Replies: 1
by Filip Chindea » Sat Mar 01, 2008 3:46 pm

1 Replies

841 Views

Last post by turcas
Sat Mar 01, 2008 3:57 pm
Numarul de solutii ale unei ecuatii in numere naturale

Last post by Filip Chindea « Fri Feb 29, 2008 9:40 pm
Replies: 1
by haralambie » Fri Feb 29, 2008 8:46 pm

1 Replies

518 Views

Last post by Filip Chindea
Fri Feb 29, 2008 9:40 pm
Identitate cu partea intreaga

Last post by Razvan Balan « Sun Feb 24, 2008 3:10 pm
Replies: 2
by Razvan Balan » Thu Feb 21, 2008 10:31 am

2 Replies

818 Views

Last post by Razvan Balan
Sun Feb 24, 2008 3:10 pm
Geometrie cu vectori intr-un pentagon

Last post by Razvan Balan « Thu Feb 21, 2008 10:54 am
Replies: 1
by Filip Chindea » Wed Jan 30, 2008 9:18 pm

1 Replies

629 Views

Last post by Razvan Balan
Thu Feb 21, 2008 10:54 am
Un trapez si o axa radicala (Own).

Last post by mihai++ « Mon Feb 18, 2008 8:42 pm
Replies: 2
by Virgil Nicula » Sun Feb 17, 2008 5:05 pm

2 Replies

698 Views

Last post by mihai++
Mon Feb 18, 2008 8:42 pm
O inegalitate cu H intr-un triunghi ascutitunghic

Last post by Cezar Lupu « Sun Feb 17, 2008 9:42 pm
Replies: 1
by Virgil Nicula » Sun Feb 17, 2008 5:25 pm

1 Replies

652 Views

Last post by Cezar Lupu
Sun Feb 17, 2008 9:42 pm
O problema "slicing" (Own).

Last post by mihai++ « Sun Feb 17, 2008 10:26 am
Replies: 1
by Virgil Nicula » Sat Feb 16, 2008 7:53 pm

1 Replies

545 Views

Last post by mihai++
Sun Feb 17, 2008 10:26 am
Sir de numere impare

Last post by Iulian Cimpean « Tue Feb 12, 2008 11:32 am
Replies: 3
by mihai++ » Fri Feb 01, 2008 8:07 pm

3 Replies

1002 Views

Last post by Iulian Cimpean
Tue Feb 12, 2008 11:32 am
Ecuatie functionala din care rezulta functia nula

Last post by mihai++ « Mon Feb 11, 2008 9:06 am
Replies: 1
by cosmin » Thu Feb 07, 2008 7:52 pm

1 Replies

751 Views

Last post by mihai++
Mon Feb 11, 2008 9:06 am
Puncte coliniare

Last post by mihai++ « Mon Feb 11, 2008 8:58 am
Replies: 2
by Marius Perianu » Mon Feb 04, 2008 5:31 pm

2 Replies

1390 Views

Last post by mihai++
Mon Feb 11, 2008 8:58 am
Parte fractionara si multimi

Last post by mumble « Sun Feb 10, 2008 11:07 pm
Replies: 2
by Filip Chindea » Wed Jan 30, 2008 9:03 pm

2 Replies

752 Views

Last post by mumble
Sun Feb 10, 2008 11:07 pm
Ecuatie in numere complexe

Last post by Marius Perianu « Sun Feb 10, 2008 1:37 pm
Replies: 1
by Doru Popovici » Fri Feb 08, 2008 5:18 pm

1 Replies

673 Views

Last post by Marius Perianu
Sun Feb 10, 2008 1:37 pm
Patrat perfect

Last post by mihai++ « Fri Feb 08, 2008 8:03 pm
Replies: 1
by moldo » Fri Feb 08, 2008 10:25 am

1 Replies

695 Views

Last post by mihai++
Fri Feb 08, 2008 8:03 pm
Sa se calculeze suma

Last post by mihai++ « Thu Feb 07, 2008 7:52 pm
Replies: 1
by moldo » Thu Feb 07, 2008 4:58 pm

1 Replies

672 Views

Last post by mihai++
Thu Feb 07, 2008 7:52 pm
Sir de numere reale definit prin recurenta

Last post by mumble « Wed Feb 06, 2008 11:35 pm
Replies: 1
by Marius Perianu » Mon Feb 04, 2008 5:22 pm

1 Replies

815 Views

Last post by mumble
Wed Feb 06, 2008 11:35 pm
Ecuatie cu partea intreaga

Last post by mihai++ « Mon Feb 04, 2008 7:58 pm
Replies: 1
by Marius Perianu » Mon Feb 04, 2008 5:26 pm

1 Replies

747 Views

Last post by mihai++
Mon Feb 04, 2008 7:58 pm
Problema cu multimi

Last post by Marius Perianu « Mon Feb 04, 2008 5:46 pm

by Marius Perianu » Mon Feb 04, 2008 5:46 pm

0 Replies

654 Views

Last post by Marius Perianu
Mon Feb 04, 2008 5:46 pm
Multime de numere intregi de forma x^2-3y^2

Last post by Marius Perianu « Mon Feb 04, 2008 4:29 pm
Replies: 1
by mihai++ » Mon Jan 28, 2008 7:14 pm

1 Replies

745 Views

Last post by Marius Perianu
Mon Feb 04, 2008 4:29 pm
Sir recurent

Last post by mihai++ « Fri Feb 01, 2008 7:52 pm

by mihai++ » Fri Feb 01, 2008 7:52 pm

0 Replies

460 Views

Last post by mihai++
Fri Feb 01, 2008 7:52 pm
Inegalitate conditionata trei variabile

Last post by mumble « Fri Feb 01, 2008 12:22 am
Replies: 2
by Tudorel Lupu » Mon Jan 28, 2008 6:55 pm

2 Replies

1047 Views

Last post by mumble
Fri Feb 01, 2008 12:22 am
Patrulater inscriptibil si tr. cu acelasi centru de greutate

Last post by mihai++ « Tue Jan 29, 2008 9:52 am
Replies: 1
by Tudorel Lupu » Mon Jan 28, 2008 7:08 pm

1 Replies

717 Views

Last post by mihai++
Tue Jan 29, 2008 9:52 am
Determinare de numere strict pozitive

Last post by mihai++ « Mon Jan 28, 2008 7:57 pm
Replies: 1
by Tudorel Lupu » Mon Jan 28, 2008 7:02 pm

1 Replies

714 Views

Last post by mihai++
Mon Jan 28, 2008 7:57 pm
I e centrul cercului inscris echivalent cu o rel. vectoriala

Last post by mihai++ « Mon Jan 28, 2008 7:35 pm

by mihai++ » Mon Jan 28, 2008 7:35 pm

0 Replies

558 Views

Last post by mihai++
Mon Jan 28, 2008 7:35 pm
Ecuatie in numere naturale

Last post by mihai++ « Mon Jan 28, 2008 7:28 pm

by mihai++ » Mon Jan 28, 2008 7:28 pm

0 Replies

479 Views

Last post by mihai++
Mon Jan 28, 2008 7:28 pm
Functie periodica definita ca suma de parti fractionare

Last post by Tudorel Lupu « Mon Jan 28, 2008 6:50 pm

by Tudorel Lupu » Mon Jan 28, 2008 6:50 pm

0 Replies

654 Views

Last post by Tudorel Lupu
Mon Jan 28, 2008 6:50 pm
Sir

Last post by Bogdan Cebere « Thu Jan 17, 2008 8:45 pm

by Bogdan Cebere » Thu Jan 17, 2008 8:45 pm

0 Replies

595 Views

Last post by Bogdan Cebere
Thu Jan 17, 2008 8:45 pm
IG perpendicular pe BC (Own).

Last post by mihai++ « Sun Jan 13, 2008 1:41 pm
Replies: 1
by Virgil Nicula » Sun Jan 13, 2008 12:12 pm

1 Replies

880 Views

Last post by mihai++
Sun Jan 13, 2008 1:41 pm
Determinati n pentru care 18^n+6^n+1 e patrat perfect

Last post by Cezar Lupu « Sun Dec 23, 2007 12:39 pm

by Cezar Lupu » Sun Dec 23, 2007 12:39 pm

0 Replies

457 Views

Last post by Cezar Lupu
Sun Dec 23, 2007 12:39 pm
Alte doua inegalitati

Last post by Filip Chindea « Mon Dec 10, 2007 10:20 pm
Replies: 4
by moldo » Sat Dec 08, 2007 7:40 pm

4 Replies

1099 Views

Last post by Filip Chindea
Mon Dec 10, 2007 10:20 pm
Concursul "Teodor Topan" - problema 3

Last post by maky « Mon Dec 03, 2007 2:23 pm
Replies: 1
by maky » Mon Dec 03, 2007 2:21 pm

1 Replies

593 Views

Last post by maky
Mon Dec 03, 2007 2:23 pm
Concursul "Teodor Topan" - problema 2

Last post by maky « Mon Dec 03, 2007 2:21 pm

by maky » Mon Dec 03, 2007 2:21 pm

0 Replies

396 Views

Last post by maky
Mon Dec 03, 2007 2:21 pm
Concursul "Teodor Topan" - problema 1

Last post by maky « Mon Dec 03, 2007 2:20 pm

by maky » Mon Dec 03, 2007 2:20 pm

0 Replies

502 Views

Last post by maky
Mon Dec 03, 2007 2:20 pm
O ecuatie cu parametru

Last post by Filip Chindea « Mon Nov 12, 2007 9:36 pm
Replies: 1
by moldo » Sun Oct 21, 2007 10:33 am

1 Replies

678 Views

Last post by Filip Chindea
Mon Nov 12, 2007 9:36 pm
Inegalitatea 5, trigonometrica, cu (1-cos A) si cosA

Last post by Filip Chindea « Tue Nov 06, 2007 10:10 pm
Replies: 1
by Cezar Lupu » Fri Nov 02, 2007 5:03 am

1 Replies

687 Views

Last post by Filip Chindea
Tue Nov 06, 2007 10:10 pm
Inegalitatea 4, cu radicali

Last post by Filip Chindea « Tue Nov 06, 2007 9:50 pm
Replies: 1
by Cezar Lupu » Mon Nov 05, 2007 2:01 am

1 Replies

550 Views

Last post by Filip Chindea
Tue Nov 06, 2007 9:50 pm
Exista bijectie a planului care duce cercuri in triunghiuri?

Last post by Cezar Lupu « Mon Nov 05, 2007 1:58 am

by Cezar Lupu » Mon Nov 05, 2007 1:58 am

0 Replies

450 Views

Last post by Cezar Lupu
Mon Nov 05, 2007 1:58 am
Inegalitatea 3, geometrica, cu a, b, c, r_a, r_b, r_c

Last post by Filip Chindea « Sun Oct 14, 2007 8:21 pm
Replies: 1
by Cezar Lupu » Sun Oct 14, 2007 11:18 am

1 Replies

707 Views

Last post by Filip Chindea
Sun Oct 14, 2007 8:21 pm
Doua inegalitati

Last post by Radu Titiu « Sat Oct 13, 2007 1:28 pm
Replies: 1
by moldo » Sat Oct 13, 2007 11:20 am

1 Replies

711 Views

Last post by Radu Titiu
Sat Oct 13, 2007 1:28 pm
Problema cu multimi

Last post by Filip Chindea « Tue Oct 02, 2007 10:18 pm
Replies: 1
by Alex Dura » Wed Sep 26, 2007 10:33 pm

1 Replies

702 Views

Last post by Filip Chindea
Tue Oct 02, 2007 10:18 pm
O problema din ... 1885

Last post by red_dog « Mon Oct 01, 2007 6:52 pm
Replies: 1
by Virgil Nicula » Mon Oct 01, 2007 1:55 pm

1 Replies

827 Views

Last post by red_dog
Mon Oct 01, 2007 6:52 pm
O dificila inegalitate geometrica (Own, CRUX).

Last post by red_dog « Mon Oct 01, 2007 6:33 pm
Replies: 1
by Virgil Nicula » Sun Sep 30, 2007 2:27 pm

1 Replies

835 Views

Last post by red_dog
Mon Oct 01, 2007 6:33 pm
O inegalitate trigonometrica

Last post by red_dog « Mon Oct 01, 2007 6:22 pm
Replies: 1
by Virgil Nicula » Sun Sep 30, 2007 2:44 pm

1 Replies

768 Views

Last post by red_dog
Mon Oct 01, 2007 6:22 pm
Inegalitate cu conditia a+b+c=1

Last post by Radu Titiu « Sun Sep 30, 2007 3:17 pm
Replies: 2
by Radu Titiu » Sun Sep 30, 2007 1:13 pm

2 Replies

954 Views

Last post by Radu Titiu
Sun Sep 30, 2007 3:17 pm
Caracterizare a unghiului drept intr-un triunghi

Last post by pohoatza « Sun Sep 30, 2007 2:51 pm
Replies: 1
by Virgil Nicula » Sun Sep 30, 2007 2:32 pm

1 Replies

748 Views

Last post by pohoatza
Sun Sep 30, 2007 2:51 pm
Constructia unei functii definita pe o multime finita

Last post by Alin Galatan « Sat Sep 29, 2007 4:18 pm
Replies: 1
by Virgil Nicula » Sat Sep 29, 2007 12:52 pm

1 Replies

854 Views

Last post by Alin Galatan
Sat Sep 29, 2007 4:18 pm
Inegalitate cu min max

Last post by Alin Galatan « Fri Sep 28, 2007 9:43 pm
Replies: 2
by Alin Galatan » Thu Sep 27, 2007 10:10 pm

2 Replies

826 Views

Last post by Alin Galatan
Fri Sep 28, 2007 9:43 pm
O expresie nenula

Last post by Cezar Lupu « Thu Sep 27, 2007 10:12 pm
Replies: 1
by Alin Galatan » Thu Sep 27, 2007 10:07 pm

1 Replies

703 Views

Last post by Cezar Lupu
Thu Sep 27, 2007 10:12 pm

New Topic

651 topics

Page 13 of 14
- Jump to page:
Previous
1
…
10
11
12
13
14
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum