Clasa a IX-a

Moderators: Laurian Filip, Beniamin Bogosel, Filip Chindea

New Topic

651 topics

Page 3 of 14
- Jump to page:
Previous
1
2
3
4
5
…
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

1060 Views

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

Topics

Replies

Views

Last post

Inegalitate cu a,b,c,k>0 (OWN)

Last post by Marius Mainea « Wed Dec 02, 2009 10:51 pm
Replies: 1
by Claudiu Mindrila » Wed Dec 02, 2009 7:53 pm

1 Replies

259 Views

Last post by Marius Mainea
Wed Dec 02, 2009 10:51 pm
Puncte coliniare

Last post by enescu « Mon Nov 30, 2009 1:12 am
Replies: 3
by Marius Mainea » Thu Nov 19, 2009 10:30 pm

3 Replies

712 Views

Last post by enescu
Mon Nov 30, 2009 1:12 am
Coordonatele varfului unui triunghi

Last post by Marius Mainea « Sun Nov 29, 2009 8:32 pm
Replies: 1
by Kramer » Sun Nov 29, 2009 3:16 pm

1 Replies

296 Views

Last post by Marius Mainea
Sun Nov 29, 2009 8:32 pm
Inegalitate intr-un triunghi.

Last post by Mateescu Constantin « Sat Nov 28, 2009 4:17 pm
Replies: 1
by Virgil Nicula » Fri Nov 27, 2009 10:28 am

1 Replies

432 Views

Last post by Mateescu Constantin
Sat Nov 28, 2009 4:17 pm
O ecuatie cu parti fractionare si o inegalitate

Last post by enescu « Wed Nov 25, 2009 9:32 pm
Replies: 3
by Kramer » Tue Nov 24, 2009 9:25 pm

3 Replies

491 Views

Last post by enescu
Wed Nov 25, 2009 9:32 pm
Conditie ca un patrulater sa fie paralelogram

Last post by Marius Mainea « Thu Nov 19, 2009 10:19 pm
Replies: 1
by Claudiu Mindrila » Thu Nov 19, 2009 8:21 pm

1 Replies

276 Views

Last post by Marius Mainea
Thu Nov 19, 2009 10:19 pm
Drepte perpendiculare in triunghiul isoscel.

Last post by Claudiu Mindrila « Sat Oct 03, 2009 8:32 pm
Replies: 2
by Claudiu Mindrila » Sat Oct 03, 2009 6:20 pm

2 Replies

364 Views

Last post by Claudiu Mindrila
Sat Oct 03, 2009 8:32 pm
Inegalitate algebrica (sau geometrica)

Last post by Marius Mainea « Thu Oct 01, 2009 9:43 pm

by Marius Mainea » Thu Oct 01, 2009 9:43 pm

0 Replies

263 Views

Last post by Marius Mainea
Thu Oct 01, 2009 9:43 pm
Inegalitate de la concursul GM 2009

Last post by Laurentiu Tucaa « Wed Sep 30, 2009 7:35 pm

by Laurentiu Tucaa » Wed Sep 30, 2009 7:35 pm

0 Replies

314 Views

Last post by Laurentiu Tucaa
Wed Sep 30, 2009 7:35 pm
Inegalitate din gazeta matematica 2

Last post by opincariumihai « Wed Sep 30, 2009 7:15 pm
Replies: 2
by opincariumihai » Wed Sep 30, 2009 11:12 am

2 Replies

429 Views

Last post by opincariumihai
Wed Sep 30, 2009 7:15 pm
Inegalitate in triunghi din gazeta matematica

Last post by Cezar Lupu « Mon Sep 28, 2009 8:37 am
Replies: 2
by opincariumihai » Sun Sep 27, 2009 1:35 pm

2 Replies

498 Views

Last post by Cezar Lupu
Mon Sep 28, 2009 8:37 am
Relatie remarcabila în triunghi

Last post by Virgil Nicula « Fri Sep 25, 2009 11:13 pm
Replies: 1
by Mateescu Constantin » Fri Sep 25, 2009 10:31 pm

1 Replies

318 Views

Last post by Virgil Nicula
Fri Sep 25, 2009 11:13 pm
Inegalitate intr-un triunghi ascutitunghic.

Last post by opincariumihai « Fri Sep 25, 2009 1:41 pm
Replies: 1
by Virgil Nicula » Mon Sep 21, 2009 5:41 pm

1 Replies

366 Views

Last post by opincariumihai
Fri Sep 25, 2009 1:41 pm
Inegalitate geometrica 5

Last post by Claudiu Mindrila « Wed Sep 23, 2009 2:52 pm
Replies: 2
by Marius Mainea » Mon Aug 17, 2009 11:04 am

2 Replies

473 Views

Last post by Claudiu Mindrila
Wed Sep 23, 2009 2:52 pm
O inegalitate in doua variabile pozitive.

Last post by Marius Mainea « Sun Sep 20, 2009 7:12 pm
Replies: 3
by Virgil Nicula » Wed Nov 19, 2008 10:00 am

3 Replies

633 Views

Last post by Marius Mainea
Sun Sep 20, 2009 7:12 pm
Functie care are un punct fix

Last post by Marius Mainea « Sat Sep 19, 2009 6:40 pm
Replies: 1
by mihai miculita » Sat Sep 19, 2009 3:45 pm

1 Replies

366 Views

Last post by Marius Mainea
Sat Sep 19, 2009 6:40 pm
Generalizarea problemei anterioare

Last post by Laurentiu Tucaa « Sat Sep 19, 2009 5:46 pm

by Laurentiu Tucaa » Sat Sep 19, 2009 5:46 pm

0 Replies

273 Views

Last post by Laurentiu Tucaa
Sat Sep 19, 2009 5:46 pm
O inegalitate remarcabila intr-un triunghi ascutitunghic.

Last post by Virgil Nicula « Fri Sep 18, 2009 3:52 pm
Replies: 2
by Virgil Nicula » Thu Sep 17, 2009 7:31 pm

2 Replies

694 Views

Last post by Virgil Nicula
Fri Sep 18, 2009 3:52 pm
Unghiuri congruente.

Last post by Marius Mainea « Wed Sep 16, 2009 6:12 pm
Replies: 1
by Virgil Nicula » Wed Sep 16, 2009 5:44 pm

1 Replies

285 Views

Last post by Marius Mainea
Wed Sep 16, 2009 6:12 pm
Inegalitate conditionata cu produsul 1(OWN)

Last post by Marius Mainea « Tue Sep 15, 2009 9:09 pm
Replies: 2
by Claudiu Mindrila » Tue Sep 15, 2009 5:54 pm

2 Replies

428 Views

Last post by Marius Mainea
Tue Sep 15, 2009 9:09 pm
Inegalitate conditionata cu produs

Last post by Marius Mainea « Mon Sep 14, 2009 8:30 pm
Replies: 1
by alex2008 » Mon Sep 14, 2009 3:55 pm

1 Replies

337 Views

Last post by Marius Mainea
Mon Sep 14, 2009 8:30 pm
O relatie metrica simpla intr-un triunghi.

Last post by Marius Mainea « Sun Sep 13, 2009 9:30 am
Replies: 1
by Virgil Nicula » Sun Sep 13, 2009 4:38 am

1 Replies

303 Views

Last post by Marius Mainea
Sun Sep 13, 2009 9:30 am
O veche problema de geometrie a triunghiului.

Last post by mihai miculita « Fri Aug 28, 2009 9:29 am
Replies: 4
by Virgil Nicula » Sun Apr 05, 2009 6:30 am

4 Replies

892 Views

Last post by mihai miculita
Fri Aug 28, 2009 9:29 am
Identitate cu parte întreaga; (3)

Last post by Francisc « Wed Aug 26, 2009 12:11 am
Replies: 1
by Mateescu Constantin » Tue Aug 25, 2009 10:50 pm

1 Replies

345 Views

Last post by Francisc
Wed Aug 26, 2009 12:11 am
O caractericare remarcabila a unui triunghi neobtuzunghic.

Last post by Mateescu Constantin « Sun Aug 23, 2009 10:27 pm
Replies: 1
by Virgil Nicula » Sun Aug 23, 2009 8:27 pm

1 Replies

415 Views

Last post by Mateescu Constantin
Sun Aug 23, 2009 10:27 pm
Raportul a doua segmente

Last post by Marius Mainea « Sat Aug 22, 2009 12:39 am
Replies: 1
by Mateescu Constantin » Fri Aug 21, 2009 1:37 pm

1 Replies

310 Views

Last post by Marius Mainea
Sat Aug 22, 2009 12:39 am
Coliniaritate in hexagon

Last post by mihai miculita « Thu Aug 20, 2009 10:11 am
Replies: 2
by Claudiu Mindrila » Tue Aug 11, 2009 9:51 am

2 Replies

482 Views

Last post by mihai miculita
Thu Aug 20, 2009 10:11 am
2^333

Last post by Mateescu Constantin « Thu Aug 20, 2009 12:38 am

by Mateescu Constantin » Thu Aug 20, 2009 12:38 am

0 Replies

244 Views

Last post by Mateescu Constantin
Thu Aug 20, 2009 12:38 am
Inegalitate geometrica 6

Last post by Mateescu Constantin « Tue Aug 18, 2009 1:29 pm
Replies: 1
by Marius Mainea » Mon Aug 17, 2009 7:29 pm

1 Replies

357 Views

Last post by Mateescu Constantin
Tue Aug 18, 2009 1:29 pm
Doua inegalitati interesante intr-un triunghi (own ?!).

Last post by opincariumihai « Mon Aug 10, 2009 11:18 am
Replies: 4
by Virgil Nicula » Sun Aug 09, 2009 6:55 pm

4 Replies

573 Views

Last post by opincariumihai
Mon Aug 10, 2009 11:18 am
Inegalitate cu c.m.m.d.c

Last post by Mateescu Constantin « Sun Aug 09, 2009 11:15 pm

by Mateescu Constantin » Sun Aug 09, 2009 11:15 pm

0 Replies

242 Views

Last post by Mateescu Constantin
Sun Aug 09, 2009 11:15 pm
Inegalitate intr-un triunghi.

Last post by Virgil Nicula « Fri Aug 07, 2009 5:21 am
Replies: 2
by Virgil Nicula » Tue Aug 04, 2009 9:14 pm

2 Replies

500 Views

Last post by Virgil Nicula
Fri Aug 07, 2009 5:21 am
ab+bc+ca=1

Last post by Marius Mainea « Thu Aug 06, 2009 10:27 pm
Replies: 1
by Mateescu Constantin » Thu Aug 06, 2009 10:22 pm

1 Replies

350 Views

Last post by Marius Mainea
Thu Aug 06, 2009 10:27 pm
Suma de vectori

Last post by Marius Mainea « Thu Aug 06, 2009 10:05 pm
Replies: 1
by Claudiu Mindrila » Sun Jul 12, 2009 7:53 pm

1 Replies

326 Views

Last post by Marius Mainea
Thu Aug 06, 2009 10:05 pm
Ecuatie functionala simpla

Last post by Mateescu Constantin « Thu Aug 06, 2009 7:57 pm
Replies: 1
by opincariumihai » Thu Aug 06, 2009 7:47 pm

1 Replies

318 Views

Last post by Mateescu Constantin
Thu Aug 06, 2009 7:57 pm
Conditionata cu produs

Last post by opincariumihai « Mon Aug 03, 2009 11:15 pm
Replies: 1
by Marius Mainea » Sun Aug 02, 2009 12:03 pm

1 Replies

353 Views

Last post by opincariumihai
Mon Aug 03, 2009 11:15 pm
A=60 <=> IH=IO

Last post by Mateescu Constantin « Sat Aug 01, 2009 11:53 pm
Replies: 1
by Virgil Nicula » Wed Jul 15, 2009 2:07 am

1 Replies

429 Views

Last post by Mateescu Constantin
Sat Aug 01, 2009 11:53 pm
Formula sinusului sumei, consecinta a teoremei sinusurilor

Last post by Virgil Nicula « Sat Aug 01, 2009 5:15 pm
Replies: 1
by mihai miculita » Fri Jul 10, 2009 7:17 pm

1 Replies

635 Views

Last post by Virgil Nicula
Sat Aug 01, 2009 5:15 pm
x,y,z>0, x+y+z=1

Last post by Marius Mainea « Sat Aug 01, 2009 1:45 pm
Replies: 1
by Claudiu Mindrila » Sat Aug 01, 2009 12:57 pm

1 Replies

323 Views

Last post by Marius Mainea
Sat Aug 01, 2009 1:45 pm
OM 1997, Ungaria

Last post by Mateescu Constantin « Fri Jul 31, 2009 1:57 pm
Replies: 3
by Mateescu Constantin » Tue Jul 14, 2009 10:10 pm

3 Replies

444 Views

Last post by Mateescu Constantin
Fri Jul 31, 2009 1:57 pm
Inegalitate in triunghi

Last post by Mateescu Constantin « Tue Jul 14, 2009 3:47 pm
Replies: 5
by opincariumihai » Sat Jul 11, 2009 10:42 pm

5 Replies

693 Views

Last post by Mateescu Constantin
Tue Jul 14, 2009 3:47 pm
Inegalitate in triunghi

Last post by Virgil Nicula « Mon Jul 13, 2009 4:47 am
Replies: 3
by opincariumihai » Fri Jul 10, 2009 4:44 pm

3 Replies

488 Views

Last post by Virgil Nicula
Mon Jul 13, 2009 4:47 am
Inegalitate usoara

Last post by Mateescu Constantin « Sun Jul 12, 2009 7:19 pm
Replies: 1
by Claudiu Mindrila » Sat Jul 11, 2009 10:02 pm

1 Replies

386 Views

Last post by Mateescu Constantin
Sun Jul 12, 2009 7:19 pm
Inegalitate nice

Last post by alex2008 « Sun Jul 12, 2009 2:47 pm
Replies: 2
by Claudiu Mindrila » Sat Jul 11, 2009 11:38 pm

2 Replies

445 Views

Last post by alex2008
Sun Jul 12, 2009 2:47 pm
Doua inegalitati in triunghi "made in Vietnam"

Last post by mihai miculita « Sat Jul 11, 2009 7:39 pm
Replies: 2
by mihai miculita » Thu Jul 09, 2009 6:56 pm

2 Replies

471 Views

Last post by mihai miculita
Sat Jul 11, 2009 7:39 pm
O echivalenta si o implicatie intr-un triunghi ABC.

Last post by Marius Mainea « Sat Jul 11, 2009 4:09 pm
Replies: 1
by Virgil Nicula » Sat Jul 11, 2009 3:24 am

1 Replies

330 Views

Last post by Marius Mainea
Sat Jul 11, 2009 4:09 pm
O inegalitate dificila in triunghi ...

Last post by Marius Mainea « Thu Jul 09, 2009 12:41 pm
Replies: 1
by Virgil Nicula » Thu Jul 09, 2009 3:12 am

1 Replies

331 Views

Last post by Marius Mainea
Thu Jul 09, 2009 12:41 pm
Conditie ca un triunghi sa fie isoscel

Last post by Marius Mainea « Thu Jul 09, 2009 11:07 am
Replies: 1
by Claudiu Mindrila » Wed Jul 08, 2009 4:18 pm

1 Replies

330 Views

Last post by Marius Mainea
Thu Jul 09, 2009 11:07 am
Inegalitate cu lungimile bisectoarelor interioare.

Last post by Marius Mainea « Thu Jul 09, 2009 9:39 am
Replies: 1
by Virgil Nicula » Thu Jul 09, 2009 3:20 am

1 Replies

303 Views

Last post by Marius Mainea
Thu Jul 09, 2009 9:39 am
Inegalitate in 3 variabile

Last post by Marius Mainea « Tue Jul 07, 2009 4:14 pm
Replies: 1
by Mateescu Constantin » Tue Jul 07, 2009 3:29 pm

1 Replies

345 Views

Last post by Marius Mainea
Tue Jul 07, 2009 4:14 pm

New Topic

651 topics

Page 3 of 14
- Jump to page:
Previous
1
2
3
4
5
…
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