Clasa a X-a

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Regulament

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

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

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

Topics

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Numere complexe cu suma nenula si cu suma patratelor nula

Last post by turcas « Wed Mar 05, 2008 6:44 pm
Replies: 2
by Cezar Lupu » Mon Oct 22, 2007 11:01 pm

2 Replies

1337 Views

Last post by turcas
Wed Mar 05, 2008 6:44 pm
Ecuatie functionala cu o functie constanta

Last post by Andrei Ciupan « Sun Mar 02, 2008 11:18 pm
Replies: 2
by Andrei Velicu » Sat Mar 01, 2008 10:18 pm

2 Replies

1112 Views

Last post by Andrei Ciupan
Sun Mar 02, 2008 11:18 pm
Intersectia a doua multimi de numere complexe

Last post by Andrei Velicu « Sat Mar 01, 2008 10:48 pm

by Andrei Velicu » Sat Mar 01, 2008 10:48 pm

0 Replies

872 Views

Last post by Andrei Velicu
Sat Mar 01, 2008 10:48 pm
Ecuatie exponentiala

Last post by turcas « Fri Feb 29, 2008 4:58 pm
Replies: 1
by Razvan Balan » Fri Feb 29, 2008 4:28 pm

1 Replies

580 Views

Last post by turcas
Fri Feb 29, 2008 4:58 pm
GM 1/1997

Last post by turcas « Thu Feb 28, 2008 9:38 pm
Replies: 2
by Razvan Balan » Thu Feb 28, 2008 4:03 pm

2 Replies

760 Views

Last post by turcas
Thu Feb 28, 2008 9:38 pm
Problema lui PhilAndrew

Last post by Bogdan Posa « Tue Feb 26, 2008 12:28 pm
Replies: 1
by Virgil Nicula » Sun Feb 24, 2008 11:10 pm

1 Replies

679 Views

Last post by Bogdan Posa
Tue Feb 26, 2008 12:28 pm
Ecuatie exponentiala simpla

Last post by Razvan Balan « Tue Feb 26, 2008 10:59 am
Replies: 1
by Razvan Balan » Thu Feb 21, 2008 10:29 am

1 Replies

623 Views

Last post by Razvan Balan
Tue Feb 26, 2008 10:59 am
Sa se arate ca exista n indeplinind o conditie cu sin

Last post by turcas « Sat Feb 16, 2008 7:50 pm

by turcas » Sat Feb 16, 2008 7:50 pm

0 Replies

475 Views

Last post by turcas
Sat Feb 16, 2008 7:50 pm
O ecuatie exponentiala relativ simpla

Last post by Marius Perianu « Sun Feb 10, 2008 1:52 pm
Replies: 1
by Wizzy » Fri Nov 09, 2007 6:38 pm

1 Replies

839 Views

Last post by Marius Perianu
Sun Feb 10, 2008 1:52 pm
Inegalitate logaritmica cunoscuta

Last post by mihai++ « Thu Feb 07, 2008 8:01 pm
Replies: 1
by turcas » Thu Feb 07, 2008 7:53 pm

1 Replies

835 Views

Last post by mihai++
Thu Feb 07, 2008 8:01 pm
Divizibilitate cu combinari

Last post by Filip Chindea « Mon Feb 04, 2008 11:04 pm
Replies: 1
by Marius Perianu » Mon Feb 04, 2008 10:10 pm

1 Replies

615 Views

Last post by Filip Chindea
Mon Feb 04, 2008 11:04 pm
(2+i)^n este diferit de (2-i)^n

Last post by Filip Chindea « Mon Feb 04, 2008 9:07 pm
Replies: 3
by Cezar Lupu » Wed Oct 24, 2007 12:15 am

3 Replies

886 Views

Last post by Filip Chindea
Mon Feb 04, 2008 9:07 pm
Functii convexe si ecuatie exponentiala

Last post by Marius Perianu « Mon Feb 04, 2008 6:14 pm

by Marius Perianu » Mon Feb 04, 2008 6:14 pm

0 Replies

1036 Views

Last post by Marius Perianu
Mon Feb 04, 2008 6:14 pm
p este cmmdc al sirului combinarilor {p^n}\choose{k}

Last post by Filip Chindea « Fri Feb 01, 2008 8:23 pm
Replies: 1
by Wizzy » Wed Dec 12, 2007 11:50 pm

1 Replies

739 Views

Last post by Filip Chindea
Fri Feb 01, 2008 8:23 pm
Ecuatie logaritmica cu parametru are solutie unica

Last post by turcas « Fri Feb 01, 2008 4:27 pm
Replies: 1
by Andrei Velicu » Sun Jan 27, 2008 7:57 pm

1 Replies

765 Views

Last post by turcas
Fri Feb 01, 2008 4:27 pm
Multime de functii cu ordinul 2008

Last post by Filip Chindea « Wed Jan 30, 2008 11:00 pm
Replies: 2
by Filip Chindea » Wed Jan 30, 2008 10:25 am

2 Replies

699 Views

Last post by Filip Chindea
Wed Jan 30, 2008 11:00 pm
Echivalente cu arctangent

Last post by turcas « Wed Jan 30, 2008 7:06 pm
Replies: 1
by Filip Chindea » Wed Jan 30, 2008 10:15 am

1 Replies

597 Views

Last post by turcas
Wed Jan 30, 2008 7:06 pm
Functie periodica de la R la R^2

Last post by Filip Chindea « Wed Jan 30, 2008 10:20 am

by Filip Chindea » Wed Jan 30, 2008 10:20 am

0 Replies

498 Views

Last post by Filip Chindea
Wed Jan 30, 2008 10:20 am
Ecuatie cu modul si parametru

Last post by turcas « Tue Jan 29, 2008 8:39 pm
Replies: 1
by turcas » Tue Jan 29, 2008 6:42 pm

1 Replies

546 Views

Last post by turcas
Tue Jan 29, 2008 8:39 pm
Sistem de ecuatii cu numere complexe

Last post by Marius Perianu « Mon Jan 28, 2008 6:49 pm
Replies: 2
by Andrei Velicu » Sun Jan 27, 2008 8:01 pm

2 Replies

1180 Views

Last post by Marius Perianu
Mon Jan 28, 2008 6:49 pm
O expresie cu numere complexe

Last post by turcas « Mon Jan 28, 2008 2:44 pm
Replies: 1
by Andrei Velicu » Sun Jan 27, 2008 7:48 pm

1 Replies

737 Views

Last post by turcas
Mon Jan 28, 2008 2:44 pm
Inegalitate cu logaritmi

Last post by Radu Titiu « Sun Jan 27, 2008 9:42 pm
Replies: 1
by Andrei Velicu » Sun Jan 27, 2008 7:52 pm

1 Replies

854 Views

Last post by Radu Titiu
Sun Jan 27, 2008 9:42 pm
Minim

Last post by Cezar Lupu « Fri Jan 18, 2008 1:38 am
Replies: 1
by Bogdan Cebere » Thu Jan 17, 2008 9:07 pm

1 Replies

614 Views

Last post by Cezar Lupu
Fri Jan 18, 2008 1:38 am
Expresii luand numai valori prime

Last post by Filip Chindea « Mon Jan 14, 2008 8:21 pm
Replies: 1
by Filip Chindea » Mon Jan 14, 2008 8:16 pm

1 Replies

558 Views

Last post by Filip Chindea
Mon Jan 14, 2008 8:21 pm
Inegalitate geometrica, arie si mediane

Last post by Cezar Lupu « Thu Jan 03, 2008 7:50 pm
Replies: 1
by Filip Chindea » Wed Jan 02, 2008 8:21 pm

1 Replies

736 Views

Last post by Cezar Lupu
Thu Jan 03, 2008 7:50 pm
Suma si produsul a doua functii crescatoare

Last post by turcas « Tue Dec 11, 2007 4:52 pm
Replies: 1
by Andrei Velicu » Sun Dec 02, 2007 6:56 pm

1 Replies

1086 Views

Last post by turcas
Tue Dec 11, 2007 4:52 pm
Ecuatie functionala cu functii rationale

Last post by turcas « Fri Dec 07, 2007 3:19 pm
Replies: 1
by Andrei Velicu » Sun Dec 02, 2007 6:54 pm

1 Replies

773 Views

Last post by turcas
Fri Dec 07, 2007 3:19 pm
Concurs "Teodor Topan" - problema 3

Last post by maky « Mon Dec 03, 2007 2:15 pm

by maky » Mon Dec 03, 2007 2:15 pm

0 Replies

456 Views

Last post by maky
Mon Dec 03, 2007 2:15 pm
Concurs "Teodor Topan" - problema 2

Last post by maky « Mon Dec 03, 2007 2:15 pm

by maky » Mon Dec 03, 2007 2:15 pm

0 Replies

442 Views

Last post by maky
Mon Dec 03, 2007 2:15 pm
Concurs "Teodor Topan" - problema 1

Last post by maky « Mon Dec 03, 2007 2:15 pm

by maky » Mon Dec 03, 2007 2:15 pm

0 Replies

398 Views

Last post by maky
Mon Dec 03, 2007 2:15 pm
Inegalitate exponentiala si liniara

Last post by Andrei Velicu « Sun Dec 02, 2007 6:57 pm

by Andrei Velicu » Sun Dec 02, 2007 6:57 pm

0 Replies

536 Views

Last post by Andrei Velicu
Sun Dec 02, 2007 6:57 pm
2p^2+1 puncte in care exista trei de arie mai mica ca 1/8p^2

Last post by Andrei Velicu « Sun Dec 02, 2007 6:55 pm

by Andrei Velicu » Sun Dec 02, 2007 6:55 pm

0 Replies

595 Views

Last post by Andrei Velicu
Sun Dec 02, 2007 6:55 pm
Inegalitatea Finsler-Hadwiger pentru tetraedru

Last post by Cezar Lupu « Thu Nov 29, 2007 1:51 pm

by Cezar Lupu » Thu Nov 29, 2007 1:51 pm

0 Replies

433 Views

Last post by Cezar Lupu
Thu Nov 29, 2007 1:51 pm
Divizibilitate, ONM Shortlist

Last post by Wizzy « Tue Nov 27, 2007 12:30 am
Replies: 2
by Wizzy » Wed Nov 21, 2007 11:37 pm

2 Replies

898 Views

Last post by Wizzy
Tue Nov 27, 2007 12:30 am
Inegalitate cu logaritmi, GM nr 10/2007

Last post by turcas « Mon Nov 26, 2007 3:28 pm
Replies: 1
by Wizzy » Thu Nov 22, 2007 4:00 pm

1 Replies

705 Views

Last post by turcas
Mon Nov 26, 2007 3:28 pm
Functie intr-o inegalitate functionala

Last post by Wizzy « Fri Nov 23, 2007 12:43 pm
Replies: 1
by Cezar Lupu » Mon Nov 05, 2007 1:00 am

1 Replies

645 Views

Last post by Wizzy
Fri Nov 23, 2007 12:43 pm
Ecuatie exponentiala cu functii trigonometrice

Last post by Wizzy « Sat Nov 10, 2007 11:32 pm
Replies: 1
by heman » Sat Nov 10, 2007 10:55 pm

1 Replies

754 Views

Last post by Wizzy
Sat Nov 10, 2007 11:32 pm
Trei numere complexe de modul 1 au suma de modulul 1 sau 2

Last post by Wizzy « Tue Nov 06, 2007 6:50 pm
Replies: 1
by Cezar Lupu » Tue Nov 06, 2007 2:29 am

1 Replies

811 Views

Last post by Wizzy
Tue Nov 06, 2007 6:50 pm
Ecuatie exponentiala si radicali

Last post by Wizzy « Mon Nov 05, 2007 7:51 pm
Replies: 1
by Cezar Lupu » Mon Nov 05, 2007 1:07 am

1 Replies

669 Views

Last post by Wizzy
Mon Nov 05, 2007 7:51 pm
Ecuatie in numere complexe are o sol. de modul mai mic ca 2

Last post by Cezar Lupu « Mon Nov 05, 2007 1:03 am

by Cezar Lupu » Mon Nov 05, 2007 1:03 am

0 Replies

425 Views

Last post by Cezar Lupu
Mon Nov 05, 2007 1:03 am
O ecuatie exponentiala de forma f(x)=f(1/x) admite solutie

Last post by Cezar Lupu « Mon Nov 05, 2007 12:49 am

by Cezar Lupu » Mon Nov 05, 2007 12:49 am

0 Replies

416 Views

Last post by Cezar Lupu
Mon Nov 05, 2007 12:49 am
Polinomul X^3+pX+q are radacini reale iff 4p^3+27q^2<=0

Last post by Filip Chindea « Sat Nov 03, 2007 10:47 pm
Replies: 1
by Cezar Lupu » Thu Nov 01, 2007 10:17 pm

1 Replies

614 Views

Last post by Filip Chindea
Sat Nov 03, 2007 10:47 pm
Fie u, v, w trei numere complexe cu anumite proprietati

Last post by turcas « Fri Nov 02, 2007 7:44 pm

by turcas » Fri Nov 02, 2007 7:44 pm

0 Replies

472 Views

Last post by turcas
Fri Nov 02, 2007 7:44 pm
Inegalitate simetrica cu logaritmi

Last post by Wizzy « Wed Oct 31, 2007 4:17 pm
Replies: 1
by Cezar Lupu » Tue Oct 30, 2007 6:25 pm

1 Replies

554 Views

Last post by Wizzy
Wed Oct 31, 2007 4:17 pm
Multime finita de numere complexe de forma |a^n-b^n|

Last post by Cezar Lupu « Wed Oct 31, 2007 12:46 am

by Cezar Lupu » Wed Oct 31, 2007 12:46 am

0 Replies

412 Views

Last post by Cezar Lupu
Wed Oct 31, 2007 12:46 am
Problema usoara cu numere complexe

Last post by turcas « Mon Oct 29, 2007 3:43 pm
Replies: 1
by heman » Sat Oct 20, 2007 8:03 pm

1 Replies

689 Views

Last post by turcas
Mon Oct 29, 2007 3:43 pm
Inegalitate numere complexe de modul 1

Last post by Wizzy « Tue Oct 23, 2007 10:14 pm
Replies: 2
by Cezar Lupu » Mon Oct 22, 2007 11:08 pm

2 Replies

726 Views

Last post by Wizzy
Tue Oct 23, 2007 10:14 pm
Polinom monic de gradul 4 cu |f(i)|=1

Last post by pohoatza « Tue Oct 23, 2007 8:42 pm
Replies: 1
by Cezar Lupu » Tue Oct 23, 2007 12:11 am

1 Replies

574 Views

Last post by pohoatza
Tue Oct 23, 2007 8:42 pm
un minim simplu

Last post by Wizzy « Wed Oct 17, 2007 10:31 pm
Replies: 5
by Wizzy » Mon Oct 15, 2007 5:55 pm

5 Replies

1275 Views

Last post by Wizzy
Wed Oct 17, 2007 10:31 pm
O alta inegalitate cu numere complexe

Last post by Wizzy « Sun Oct 14, 2007 8:28 am
Replies: 2
by Wizzy » Sat Oct 13, 2007 5:33 pm

2 Replies

824 Views

Last post by Wizzy
Sun Oct 14, 2007 8:28 am

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