Clasa a VIII-a

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Paralelipiped dreptunghic

Last post by salazar « Sun Mar 07, 2010 12:18 pm

by salazar » Sun Mar 07, 2010 12:18 pm

0 Replies

298 Views

Last post by salazar
Sun Mar 07, 2010 12:18 pm
Paralelipiped cu puncte pe muchii

Last post by Andi Brojbeanu « Sun Mar 07, 2010 12:44 am
Replies: 2
by Marius Mainea » Fri Mar 13, 2009 10:25 pm

2 Replies

615 Views

Last post by Andi Brojbeanu
Sun Mar 07, 2010 12:44 am
Concursul Nicolae Paun editia 2009 subiectul III

Last post by Andi Brojbeanu « Sat Mar 06, 2010 7:22 pm
Replies: 1
by Andi Brojbeanu » Sun Dec 13, 2009 12:14 pm

1 Replies

317 Views

Last post by Andi Brojbeanu
Sat Mar 06, 2010 7:22 pm
Suma de patrate in conditiile in care n-m este par

Last post by Andi Brojbeanu « Sat Mar 06, 2010 3:17 pm
Replies: 2
by Claudiu Mindrila » Wed Mar 25, 2009 8:21 pm

2 Replies

526 Views

Last post by Andi Brojbeanu
Sat Mar 06, 2010 3:17 pm
Subiectul 2, OJM 2009

Last post by Andi Brojbeanu « Sat Mar 06, 2010 2:42 pm
Replies: 2
by BurnerD1 » Sat Mar 07, 2009 2:39 pm

2 Replies

542 Views

Last post by Andi Brojbeanu
Sat Mar 06, 2010 2:42 pm
Concursul "Viitorii matematicieni" Problema 1

Last post by Andi Brojbeanu « Sat Mar 06, 2010 12:12 am
Replies: 1
by salazar » Sat Jan 09, 2010 12:52 pm

1 Replies

290 Views

Last post by Andi Brojbeanu
Sat Mar 06, 2010 12:12 am
Perpendicularitate in prisma

Last post by Andi Brojbeanu « Fri Mar 05, 2010 10:22 pm
Replies: 1
by Claudiu Mindrila » Mon Mar 30, 2009 7:54 pm

1 Replies

408 Views

Last post by Andi Brojbeanu
Fri Mar 05, 2010 10:22 pm
Sa se arate

Last post by salazar « Wed Mar 03, 2010 3:39 pm
Replies: 1
by katos » Wed Mar 03, 2010 7:54 am

1 Replies

248 Views

Last post by salazar
Wed Mar 03, 2010 3:39 pm
Un hotel

Last post by salazar « Tue Mar 02, 2010 11:14 pm
Replies: 1
by katos » Tue Mar 02, 2010 10:24 pm

1 Replies

250 Views

Last post by salazar
Tue Mar 02, 2010 11:14 pm
Concursul Arhimede etapa II 27.02.2010 problema 4

Last post by Andi Brojbeanu « Sat Feb 27, 2010 7:27 pm

by Andi Brojbeanu » Sat Feb 27, 2010 7:27 pm

0 Replies

379 Views

Last post by Andi Brojbeanu
Sat Feb 27, 2010 7:27 pm
Concursul "Viitorii matematicieni" Problema 4

Last post by Andi Brojbeanu « Fri Feb 26, 2010 6:03 pm
Replies: 1
by salazar » Sat Jan 09, 2010 1:06 pm

1 Replies

305 Views

Last post by Andi Brojbeanu
Fri Feb 26, 2010 6:03 pm
Inegalitate in triunghi echilateral

Last post by Andi Brojbeanu « Sun Feb 21, 2010 3:35 pm
Replies: 1
by Claudiu Mindrila » Tue Feb 09, 2010 7:50 pm

1 Replies

373 Views

Last post by Andi Brojbeanu
Sun Feb 21, 2010 3:35 pm
Pioni pe tabla

Last post by DrAGos Calinescu « Wed Feb 17, 2010 10:23 pm
Replies: 1
by Marius Mainea » Wed Feb 17, 2010 4:51 pm

1 Replies

287 Views

Last post by DrAGos Calinescu
Wed Feb 17, 2010 10:23 pm
Inegalitate conditionata de ab+bc+ca=0

Last post by Andi Brojbeanu « Wed Feb 17, 2010 11:01 am
Replies: 2
by Claudiu Mindrila » Tue Feb 09, 2010 7:42 pm

2 Replies

339 Views

Last post by Andi Brojbeanu
Wed Feb 17, 2010 11:01 am
OLM -DB/2010

Last post by Andi Brojbeanu « Sun Feb 14, 2010 12:33 pm
Replies: 2
by Marius Mainea » Sat Feb 13, 2010 5:16 pm

2 Replies

303 Views

Last post by Andi Brojbeanu
Sun Feb 14, 2010 12:33 pm
Inegalitate simpluta, 1

Last post by Marius Mainea « Fri Feb 05, 2010 1:44 pm
Replies: 1
by Claudiu Mindrila » Thu Feb 04, 2010 6:41 pm

1 Replies

265 Views

Last post by Marius Mainea
Fri Feb 05, 2010 1:44 pm
Inegalitate simpluta, 2

Last post by Mateescu Constantin « Thu Feb 04, 2010 8:03 pm
Replies: 1
by Claudiu Mindrila » Thu Feb 04, 2010 6:43 pm

1 Replies

248 Views

Last post by Mateescu Constantin
Thu Feb 04, 2010 8:03 pm
Concursul Nicolae Paun, editia 2009, subiectul I

Last post by Virgil Nicula « Wed Feb 03, 2010 4:10 pm
Replies: 4
by Andi Brojbeanu » Sun Dec 13, 2009 12:07 pm

4 Replies

959 Views

Last post by Virgil Nicula
Wed Feb 03, 2010 4:10 pm
O.N.M. 1999

Last post by salazar « Wed Feb 03, 2010 11:13 am
Replies: 2
by Claudiu Mindrila » Fri Jan 02, 2009 1:27 pm

2 Replies

584 Views

Last post by salazar
Wed Feb 03, 2010 11:13 am
Concursul judetean de matematica "Cezar Ivanescu"

Last post by Andi Brojbeanu « Sat Jan 23, 2010 1:55 pm

by Andi Brojbeanu » Sat Jan 23, 2010 1:55 pm

0 Replies

443 Views

Last post by Andi Brojbeanu
Sat Jan 23, 2010 1:55 pm
Divizibilitate

Last post by Andi Brojbeanu « Thu Jan 21, 2010 9:45 pm
Replies: 2
by Marius Mainea » Fri Jan 16, 2009 9:44 pm

2 Replies

490 Views

Last post by Andi Brojbeanu
Thu Jan 21, 2010 9:45 pm
OLM Dambovita 2009, problema 1

Last post by salazar « Tue Jan 19, 2010 3:14 pm
Replies: 1
by Claudiu Mindrila » Sat Feb 14, 2009 3:32 pm

1 Replies

482 Views

Last post by salazar
Tue Jan 19, 2010 3:14 pm
Inegalitate in tetraedru 1

Last post by Andi Brojbeanu « Wed Jan 13, 2010 6:19 pm
Replies: 2
by Marius Mainea » Sun Jan 18, 2009 6:41 pm

2 Replies

455 Views

Last post by Andi Brojbeanu
Wed Jan 13, 2010 6:19 pm
Cub cu ,,etichete'' 2

Last post by Marius Mainea « Tue Jan 12, 2010 11:57 pm
Replies: 2
by Marius Mainea » Sat Jan 03, 2009 1:39 pm

2 Replies

470 Views

Last post by Marius Mainea
Tue Jan 12, 2010 11:57 pm
Concursul "Viitorii matematicieni" Problema 2

Last post by Robert_Samoilescu95 « Sat Jan 09, 2010 3:51 pm
Replies: 1
by salazar » Sat Jan 09, 2010 12:57 pm

1 Replies

631 Views

Last post by Robert_Samoilescu95
Sat Jan 09, 2010 3:51 pm
Concursul "Viitorii matematicieni" Problema 3

Last post by salazar « Sat Jan 09, 2010 1:03 pm

by salazar » Sat Jan 09, 2010 1:03 pm

0 Replies

219 Views

Last post by salazar
Sat Jan 09, 2010 1:03 pm
Colorare

Last post by Andi Brojbeanu « Sun Jan 03, 2010 7:03 pm
Replies: 1
by Claudiu Mindrila » Sun Nov 09, 2008 6:22 pm

1 Replies

480 Views

Last post by Andi Brojbeanu
Sun Jan 03, 2010 7:03 pm
Dependenta

Last post by Andi Brojbeanu « Thu Dec 31, 2009 8:50 pm
Replies: 1
by Marius Mainea » Sat Jan 10, 2009 1:56 pm

1 Replies

477 Views

Last post by Andi Brojbeanu
Thu Dec 31, 2009 8:50 pm
Un cub, 2008 cubulete si o inegalitate

Last post by Andi Brojbeanu « Thu Dec 31, 2009 12:40 am
Replies: 1
by Claudiu Mindrila » Mon Sep 15, 2008 7:27 pm

1 Replies

469 Views

Last post by Andi Brojbeanu
Thu Dec 31, 2009 12:40 am
Numar de patru cifre.

Last post by Andi Brojbeanu « Wed Dec 30, 2009 9:56 pm
Replies: 2
by Marius Mainea » Wed Dec 16, 2009 12:25 am

2 Replies

322 Views

Last post by Andi Brojbeanu
Wed Dec 30, 2009 9:56 pm
Conditie ca un triunghi sa fie echilateral

Last post by Andi Brojbeanu « Wed Dec 30, 2009 9:10 pm
Replies: 1
by Claudiu Mindrila » Mon Oct 01, 2007 3:57 pm

1 Replies

1116 Views

Last post by Andi Brojbeanu
Wed Dec 30, 2009 9:10 pm
Segmente necoplanare

Last post by Marius Mainea « Wed Dec 30, 2009 12:08 am
Replies: 1
by Marius Mainea » Sat Feb 28, 2009 10:41 pm

1 Replies

352 Views

Last post by Marius Mainea
Wed Dec 30, 2009 12:08 am
Tetraedru regulat.

Last post by Virgil Nicula « Wed Dec 30, 2009 12:00 am
Replies: 6
by Marius Mainea » Thu Mar 12, 2009 1:56 am

6 Replies

972 Views

Last post by Virgil Nicula
Wed Dec 30, 2009 12:00 am
Cateva probleme (clasice) cu numere intregi

Last post by Marius Mainea « Tue Dec 29, 2009 10:16 pm
Replies: 1
by Claudiu Mindrila » Thu Apr 02, 2009 5:56 pm

1 Replies

464 Views

Last post by Marius Mainea
Tue Dec 29, 2009 10:16 pm
Ordonati crescator !

Last post by Andi Brojbeanu « Tue Dec 29, 2009 9:04 pm
Replies: 4
by Marius Mainea » Sun Apr 26, 2009 10:35 am

4 Replies

644 Views

Last post by Andi Brojbeanu
Tue Dec 29, 2009 9:04 pm
Triunghiuri echivalente => romb

Last post by Marius Mainea « Tue Dec 29, 2009 8:01 pm
Replies: 1
by Claudiu Mindrila » Mon Mar 16, 2009 8:25 pm

1 Replies

427 Views

Last post by Marius Mainea
Tue Dec 29, 2009 8:01 pm
Intersectie vida a multimilor A si B

Last post by Marius Mainea « Tue Dec 29, 2009 7:51 pm
Replies: 1
by Claudiu Mindrila » Mon Mar 16, 2009 9:23 pm

1 Replies

344 Views

Last post by Marius Mainea
Tue Dec 29, 2009 7:51 pm
Q(a) nu divide P(a)

Last post by Marius Mainea « Tue Dec 29, 2009 6:28 pm
Replies: 1
by Claudiu Mindrila » Mon Mar 16, 2009 9:27 pm

1 Replies

377 Views

Last post by Marius Mainea
Tue Dec 29, 2009 6:28 pm
Dreptele de intersectie a doua plane si aria unui triunghi

Last post by Marius Mainea « Tue Dec 29, 2009 6:03 pm
Replies: 1
by Claudiu Mindrila » Thu Mar 26, 2009 6:39 pm

1 Replies

395 Views

Last post by Marius Mainea
Tue Dec 29, 2009 6:03 pm
Tetraedru special

Last post by Marius Mainea « Tue Dec 29, 2009 5:27 pm
Replies: 1
by Marius Mainea » Fri Jan 16, 2009 10:07 pm

1 Replies

332 Views

Last post by Marius Mainea
Tue Dec 29, 2009 5:27 pm
Parte intreaga

Last post by Marius Mainea « Tue Dec 29, 2009 4:58 pm
Replies: 1
by Marius Mainea » Sat Jan 10, 2009 2:01 pm

1 Replies

371 Views

Last post by Marius Mainea
Tue Dec 29, 2009 4:58 pm
Puncte coplanare

Last post by Marius Mainea « Tue Dec 29, 2009 2:44 am
Replies: 1
by Marius Mainea » Fri Jan 16, 2009 9:53 pm

1 Replies

413 Views

Last post by Marius Mainea
Tue Dec 29, 2009 2:44 am
Plane perpendiculare in cub

Last post by Marius Mainea « Tue Dec 29, 2009 12:30 am
Replies: 1
by Marius Mainea » Sun Jan 18, 2009 7:23 pm

1 Replies

532 Views

Last post by Marius Mainea
Tue Dec 29, 2009 12:30 am
Inegalitate cu variabile pozitive

Last post by Andi Brojbeanu « Mon Dec 28, 2009 4:21 pm
Replies: 2
by Claudiu Mindrila » Sun Mar 22, 2009 5:20 pm

2 Replies

464 Views

Last post by Andi Brojbeanu
Mon Dec 28, 2009 4:21 pm
Concursul "Cezar Ivanescu" 2008

Last post by mihai++ « Mon Dec 28, 2009 4:02 pm
Replies: 2
by Marius Mainea » Fri Jan 16, 2009 10:00 pm

2 Replies

556 Views

Last post by mihai++
Mon Dec 28, 2009 4:02 pm
Ecuatie cu doua solutii

Last post by Marius Mainea « Sun Dec 27, 2009 11:31 pm
Replies: 1
by Claudiu Mindrila » Mon Mar 30, 2009 8:00 pm

1 Replies

387 Views

Last post by Marius Mainea
Sun Dec 27, 2009 11:31 pm
Exploatarea relatiei de ordine pe R

Last post by Marius Mainea « Thu Dec 24, 2009 8:09 pm
Replies: 1
by Marius Mainea » Tue Dec 22, 2009 7:29 pm

1 Replies

226 Views

Last post by Marius Mainea
Thu Dec 24, 2009 8:09 pm
Relatii intre rapoarte cu muchiile unei piramide

Last post by Mateescu Constantin « Thu Dec 24, 2009 12:06 am
Replies: 1
by Claudiu Mindrila » Sun Nov 09, 2008 10:51 pm

1 Replies

388 Views

Last post by Mateescu Constantin
Thu Dec 24, 2009 12:06 am
Aflarea numarului n

Last post by Marius Mainea « Tue Dec 22, 2009 6:28 pm
Replies: 1
by Kramer » Mon Apr 06, 2009 1:53 pm

1 Replies

459 Views

Last post by Marius Mainea
Tue Dec 22, 2009 6:28 pm
Relatie cu arii (in spatiu) - relatie cu segmente (in plan)

Last post by Andi Brojbeanu « Sat Dec 19, 2009 11:19 pm
Replies: 1
by Marius Mainea » Tue Dec 15, 2009 8:34 pm

1 Replies

291 Views

Last post by Andi Brojbeanu
Sat Dec 19, 2009 11:19 pm

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