Teoria Numerelor

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Last post by Filip Chindea « Wed Mar 26, 2008 11:17 pm

by Filip Chindea » Wed Mar 26, 2008 11:17 pm

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Last post by Filip Chindea
Wed Mar 26, 2008 11:17 pm

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Evaluare simpla de parte întreaga, own

Last post by Beniamin Bogosel « Fri Jan 15, 2010 12:16 am
Replies: 3
by Filip Chindea » Sun Mar 02, 2008 1:29 pm

3 Replies

2619 Views

Last post by Beniamin Bogosel
Fri Jan 15, 2010 12:16 am
Ecuatie in numere naturale...

Last post by Beniamin Bogosel « Fri Jan 15, 2010 12:08 am
Replies: 1
by Beniamin Bogosel » Wed Mar 26, 2008 6:10 pm

1 Replies

1405 Views

Last post by Beniamin Bogosel
Fri Jan 15, 2010 12:08 am
Stelele Matematicii Problema 4

Last post by Vlad Matei « Thu Dec 17, 2009 11:01 pm

by Vlad Matei » Thu Dec 17, 2009 11:01 pm

0 Replies

859 Views

Last post by Vlad Matei
Thu Dec 17, 2009 11:01 pm
IMO 2009 problema 1

Last post by Beniamin Bogosel « Wed Aug 05, 2009 10:05 am
Replies: 1
by Omer Cerrahoglu » Tue Aug 04, 2009 10:39 am

1 Replies

911 Views

Last post by Beniamin Bogosel
Wed Aug 05, 2009 10:05 am
Divizibilitate

Last post by SNT « Thu Jul 02, 2009 5:05 pm
Replies: 1
by Mateescu Constantin » Wed Jul 01, 2009 4:36 pm

1 Replies

767 Views

Last post by SNT
Thu Jul 02, 2009 5:05 pm
BMO 2009, pb. 1

Last post by salazar « Sun May 03, 2009 4:57 pm
Replies: 4
by Claudiu Mindrila » Sun May 03, 2009 2:48 pm

4 Replies

1238 Views

Last post by salazar
Sun May 03, 2009 4:57 pm
numar prim de forma 4k+1 si ecuatie in nr intregi

Last post by Dragos Fratila « Wed Mar 04, 2009 4:32 pm

by Dragos Fratila » Wed Mar 04, 2009 4:32 pm

0 Replies

741 Views

Last post by Dragos Fratila
Wed Mar 04, 2009 4:32 pm
Ecuatie cubica in numere intregi

Last post by Dragos Fratila « Tue Mar 03, 2009 5:50 pm

by Dragos Fratila » Tue Mar 03, 2009 5:50 pm

0 Replies

853 Views

Last post by Dragos Fratila
Tue Mar 03, 2009 5:50 pm
Problema teoria multimilor!

Last post by maxim bogdan « Fri Jan 02, 2009 12:28 pm

by maxim bogdan » Fri Jan 02, 2009 12:28 pm

0 Replies

903 Views

Last post by maxim bogdan
Fri Jan 02, 2009 12:28 pm
Sir cu termeni irationali

Last post by Marius Mainea « Sat Dec 27, 2008 2:09 pm

by Marius Mainea » Sat Dec 27, 2008 2:09 pm

0 Replies

719 Views

Last post by Marius Mainea
Sat Dec 27, 2008 2:09 pm
Estimari pentru irationale patratice

Last post by Filip Chindea « Sun Dec 07, 2008 2:52 pm

by Filip Chindea » Sun Dec 07, 2008 2:52 pm

0 Replies

1331 Views

Last post by Filip Chindea
Sun Dec 07, 2008 2:52 pm
Ecuatie in numere intregi

Last post by Filip Chindea « Sat Dec 06, 2008 10:27 pm

by Filip Chindea » Sat Dec 06, 2008 10:27 pm

0 Replies

1280 Views

Last post by Filip Chindea
Sat Dec 06, 2008 10:27 pm
Vizibilitate a punctelor

Last post by Filip Chindea « Sat Nov 22, 2008 8:06 pm

by Filip Chindea » Sat Nov 22, 2008 8:06 pm

0 Replies

1082 Views

Last post by Filip Chindea
Sat Nov 22, 2008 8:06 pm
Congruenta clasica

Last post by Filip Chindea « Tue Sep 23, 2008 8:53 pm
Replies: 1
by Vlad Matei » Tue Sep 23, 2008 3:25 pm

1 Replies

1225 Views

Last post by Filip Chindea
Tue Sep 23, 2008 8:53 pm
IMC 2008 ziua 1 problema 3

Last post by Beniamin Bogosel « Mon Sep 15, 2008 3:23 pm
Replies: 1
by Beniamin Bogosel » Wed Jul 30, 2008 2:22 pm

1 Replies

1133 Views

Last post by Beniamin Bogosel
Mon Sep 15, 2008 3:23 pm
OIM 2008, ziua 1, pb 3

Last post by Claudiu Mindrila « Sat Jul 19, 2008 11:59 pm

by Claudiu Mindrila » Sat Jul 19, 2008 11:59 pm

0 Replies

1449 Views

Last post by Claudiu Mindrila
Sat Jul 19, 2008 11:59 pm
Estimare cu partea fractionara

Last post by Filip Chindea « Sun Jul 13, 2008 9:17 pm
Replies: 1
by Filip Chindea » Sat Jul 12, 2008 8:30 pm

1 Replies

1506 Views

Last post by Filip Chindea
Sun Jul 13, 2008 9:17 pm
Numar de N-uple cu suma multiplu de n

Last post by Filip Chindea « Sun Jul 13, 2008 8:51 pm

by Filip Chindea » Sun Jul 13, 2008 8:51 pm

0 Replies

1348 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:51 pm
Divizori ai exponentilor in n!

Last post by Filip Chindea « Sun Jul 13, 2008 8:44 pm

by Filip Chindea » Sun Jul 13, 2008 8:44 pm

0 Replies

1121 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:44 pm
Divizibilitate tip vieta-jumping

Last post by Filip Chindea « Sun Jul 13, 2008 8:42 pm

by Filip Chindea » Sun Jul 13, 2008 8:42 pm

0 Replies

1209 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:42 pm
Divizibilitate si ecuatie functionala

Last post by Filip Chindea « Sun Jul 13, 2008 8:41 pm

by Filip Chindea » Sun Jul 13, 2008 8:41 pm

0 Replies

1177 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:41 pm
Exponent al lui 2 in diferenta de combinari

Last post by Filip Chindea « Sun Jul 13, 2008 8:39 pm

by Filip Chindea » Sun Jul 13, 2008 8:39 pm

0 Replies

1116 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:39 pm
Submultimi si divizibilitate

Last post by Filip Chindea « Sun Jul 13, 2008 8:37 pm

by Filip Chindea » Sun Jul 13, 2008 8:37 pm

0 Replies

1139 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:37 pm
Divizibilitate si putere perfecta

Last post by Filip Chindea « Sun Jul 13, 2008 8:35 pm

by Filip Chindea » Sun Jul 13, 2008 8:35 pm

0 Replies

1216 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:35 pm
Divizibilitate standard

Last post by Filip Chindea « Sun Jul 13, 2008 8:33 pm

by Filip Chindea » Sun Jul 13, 2008 8:33 pm

0 Replies

1176 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:33 pm
Patrate de forma speciala

Last post by Filip Chindea « Sun Jul 13, 2008 7:58 pm
Replies: 2
by Filip Chindea » Sat Jul 12, 2008 8:29 pm

2 Replies

1564 Views

Last post by Filip Chindea
Sun Jul 13, 2008 7:58 pm
Ecuatie in trei variabile (clasica)

Last post by Filip Chindea « Sun Jul 13, 2008 7:57 pm

by Filip Chindea » Sun Jul 13, 2008 7:57 pm

0 Replies

1165 Views

Last post by Filip Chindea
Sun Jul 13, 2008 7:57 pm
Aplicatie clasica

Last post by Filip Chindea « Sat Jul 12, 2008 9:45 pm

by Filip Chindea » Sat Jul 12, 2008 9:45 pm

0 Replies

1127 Views

Last post by Filip Chindea
Sat Jul 12, 2008 9:45 pm
Functie polinomiala asumand ca valori numai cuburi perfecte

Last post by Filip Chindea « Sat Jul 12, 2008 8:26 pm

by Filip Chindea » Sat Jul 12, 2008 8:26 pm

0 Replies

1323 Views

Last post by Filip Chindea
Sat Jul 12, 2008 8:26 pm
m, n naturale

Last post by BogdanCNFB « Fri Jul 04, 2008 3:10 pm

by BogdanCNFB » Fri Jul 04, 2008 3:10 pm

0 Replies

829 Views

Last post by BogdanCNFB
Fri Jul 04, 2008 3:10 pm
Ecuatie diofantica

Last post by Marius Mainea « Thu Jun 26, 2008 10:11 pm
Replies: 1
by Vlad Matei » Thu Jan 03, 2008 12:10 pm

1 Replies

1373 Views

Last post by Marius Mainea
Thu Jun 26, 2008 10:11 pm
Numerele Fermat sunt prime sau pseudoprime in baza 2

Last post by Marius Mainea « Tue Jun 24, 2008 11:05 am
Replies: 1
by Filip Chindea » Sat Dec 29, 2007 10:31 pm

1 Replies

1822 Views

Last post by Marius Mainea
Tue Jun 24, 2008 11:05 am
Ecuatie non-standard

Last post by Marius Mainea « Mon Jun 23, 2008 11:50 pm
Replies: 1
by Filip Chindea » Sun Mar 02, 2008 1:47 pm

1 Replies

1782 Views

Last post by Marius Mainea
Mon Jun 23, 2008 11:50 pm
Din nou teoria aditiva

Last post by Filip Chindea « Fri Jun 20, 2008 8:06 pm
Replies: 1
by Filip Chindea » Fri Jun 13, 2008 9:13 pm

1 Replies

1800 Views

Last post by Filip Chindea
Fri Jun 20, 2008 8:06 pm
Suma de combinari

Last post by Filip Chindea « Fri Jun 20, 2008 7:39 pm
Replies: 1
by Beniamin Bogosel » Wed Jun 18, 2008 6:21 pm

1 Replies

1172 Views

Last post by Filip Chindea
Fri Jun 20, 2008 7:39 pm
Divizor comun

Last post by Beniamin Bogosel « Wed Jun 18, 2008 6:10 pm

by Beniamin Bogosel » Wed Jun 18, 2008 6:10 pm

0 Replies

865 Views

Last post by Beniamin Bogosel
Wed Jun 18, 2008 6:10 pm
Divizibilitate si resturi patratice

Last post by Vlad Matei « Sat Jun 07, 2008 8:51 pm
Replies: 1
by Filip Chindea » Sat Jun 07, 2008 8:21 pm

1 Replies

1529 Views

Last post by Vlad Matei
Sat Jun 07, 2008 8:51 pm
Numere prime în translatiile unui sir

Last post by Filip Chindea « Sat Jun 07, 2008 8:45 pm
Replies: 2
by Filip Chindea » Sat Jun 07, 2008 8:03 pm

2 Replies

1706 Views

Last post by Filip Chindea
Sat Jun 07, 2008 8:45 pm
Puteri ale lui 2 cu suma cifrelor neconstanta

Last post by Filip Chindea « Mon Jun 02, 2008 9:41 pm
Replies: 1
by Alin Galatan » Tue May 20, 2008 5:41 pm

1 Replies

1194 Views

Last post by Filip Chindea
Mon Jun 02, 2008 9:41 pm
x^{p-1} divide (p-1)^x +1

Last post by Filip Chindea « Fri May 30, 2008 9:42 pm
Replies: 1
by Wizzy » Sat Apr 05, 2008 6:35 pm

1 Replies

1141 Views

Last post by Filip Chindea
Fri May 30, 2008 9:42 pm
Intrebare

Last post by Filip Chindea « Tue May 27, 2008 7:55 pm
Replies: 2
by Filip Chindea » Mon May 26, 2008 10:11 pm

2 Replies

1311 Views

Last post by Filip Chindea
Tue May 27, 2008 7:55 pm
9 numere consecutive

Last post by spx2 « Tue May 27, 2008 2:53 pm
Replies: 4
by Beniamin Bogosel » Wed May 14, 2008 9:46 pm

4 Replies

1870 Views

Last post by spx2
Tue May 27, 2008 2:53 pm
Multimea divizorilor

Last post by Filip Chindea « Wed May 21, 2008 7:02 pm

by Filip Chindea » Wed May 21, 2008 7:02 pm

0 Replies

959 Views

Last post by Filip Chindea
Wed May 21, 2008 7:02 pm
Sir de numere cu n divide a_n

Last post by BogdanCNFB « Wed May 21, 2008 1:44 pm

by BogdanCNFB » Wed May 21, 2008 1:44 pm

0 Replies

804 Views

Last post by BogdanCNFB
Wed May 21, 2008 1:44 pm
Romanian TST I 2008, Problema 5

Last post by Filip Chindea « Mon May 19, 2008 8:50 pm
Replies: 4
by Laurian Filip » Fri May 02, 2008 11:55 am

4 Replies

1896 Views

Last post by Filip Chindea
Mon May 19, 2008 8:50 pm
Mica Teorema a lui Fermat si Teorema lui Euler

Last post by Sabin Salajan « Wed May 14, 2008 9:37 pm
Replies: 3
by Sabin Salajan » Wed May 14, 2008 9:11 pm

3 Replies

2135 Views

Last post by Sabin Salajan
Wed May 14, 2008 9:37 pm
Numere prime de la numaratorii H_n-urilor simplificate

Last post by Ciprian Oprisa « Wed May 14, 2008 9:55 am
Replies: 2
by Ciprian Oprisa » Fri May 02, 2008 10:31 pm

2 Replies

1529 Views

Last post by Ciprian Oprisa
Wed May 14, 2008 9:55 am
Divizor comun

Last post by Sabin Salajan « Tue May 13, 2008 9:36 pm
Replies: 1
by Alin Galatan » Wed Mar 26, 2008 11:21 pm

1 Replies

915 Views

Last post by Sabin Salajan
Tue May 13, 2008 9:36 pm
Ecuatie diofantiana

Last post by Sabin Salajan « Tue May 13, 2008 8:40 pm
Replies: 3
by Sabin Salajan » Tue May 13, 2008 4:42 pm

3 Replies

1226 Views

Last post by Sabin Salajan
Tue May 13, 2008 8:40 pm
Ecuatie polinomiala cu patrate

Last post by Laurian Filip « Sun May 11, 2008 10:15 pm
Replies: 1
by Filip Chindea » Sun May 11, 2008 9:31 pm

1 Replies

1702 Views

Last post by Laurian Filip
Sun May 11, 2008 10:15 pm

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