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 Forum index » PEN Problems » E. Diophantine Equations
E. Diophantine Equations
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AIME 1989/9
  Peter    3    2888    Mon Jun 04, 2007 6:59 pm 
Peter View latest post
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UC Berkeley Preliminary Exam 1983
  Peter    4    2429    Sat Oct 03, 2009 11:58 am 
mavropnevma View latest post
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Taiwan 1998
  Peter    2    1842    Fri Sep 18, 2009 2:49 pm 
PhilG View latest post
 No new posts Note 4     Peter    3    2208    Thu Dec 20, 2007 8:02 pm 
PhilAndrew View latest post
 No new posts Note 5     Peter    5    2407    Sun Jan 27, 2008 11:08 pm 
me@home View latest post
 No new posts Note 6     Peter    2    1600    Tue Dec 25, 2012 9:48 am 
jordan View latest post
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Poland 2002
  Peter    8    3062    Sat Apr 26, 2008 8:51 am 
abror View latest post
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Bulgaria 1999
  Peter    8    2187    Thu Jan 21, 2010 1:59 pm 
mbucko View latest post
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Ireland 1995
  Peter    2    1733    Wed May 28, 2008 4:00 pm 
chess64 View latest post
 No new posts Note 10  
Putnam 2001
  Peter    7    2011    Wed Apr 21, 2010 9:35 pm 
1=2 View latest post
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India 1998
  Peter    3    1669    Sun Dec 20, 2009 9:29 pm 
AAhmad View latest post
 No new posts Note 12     Peter    5    2159    Tue Jan 15, 2008 9:05 pm 
PhilAndrew View latest post
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Italy 1994
  Peter    4    1584    Sun Jun 07, 2009 8:30 am 
Peter View latest post
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Canada 1991
  Peter    2    1587    Fri Oct 26, 2007 6:42 am 
TTsphn View latest post
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Balkan Mathematical Olympiad 1998
  Peter    6    2716    Sun Sep 08, 2013 7:09 pm 
harrypham View latest post
 No new posts Note 16     Peter    6    2427    Mon Sep 06, 2010 7:38 pm 
Peter View latest post
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Vietnam 2002
  Peter    1    1425    Thu Aug 30, 2007 9:58 am 
Peter View latest post
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Romania 1995, M. Becheanu
  Peter    4    1485    Wed Jan 20, 2010 8:45 pm 
mszew View latest post
 No new posts Note 19  
[UmDz pp.14] Unused Problem for the Balkan MO
  Peter    4    1599    Wed Nov 11, 2009 6:03 am 
Zhero View latest post
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APMO 1993/4
  Peter    1    1316    Thu Aug 30, 2007 8:21 am 
Peter View latest post
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APMO 1989/2
  Peter    3    1702    Fri Oct 26, 2007 11:24 am 
Peter View latest post
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Poland 1998
  Peter    2    1413    Tue Dec 15, 2009 6:26 pm 
Agr_94_Math View latest post
 No new posts Note 23     Peter    6    2274    Thu Mar 07, 2013 1:32 pm 
jordan View latest post
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IMO 1982/4
  Peter    1    1380    Mon Oct 15, 2007 1:57 pm 
rem View latest post
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IMO Short List 2002 N1
  Peter    2    1539    Sat Apr 26, 2008 8:49 am 
abror View latest post
 No new posts Note 26  
Ukraine 2002
  Peter    1    1292    Tue Oct 16, 2007 7:32 pm 
Peter View latest post
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IMO Short List 2000 N5
  Peter    1    1367    Mon Jun 04, 2007 7:01 pm 
Peter View latest post
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IMO Short List 1997 N6
  Peter    1    1380    Sun Sep 30, 2007 6:03 pm 
freemind View latest post
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Belarus 2000
  Peter    3    1618    Wed Oct 24, 2007 11:53 am 
chien than View latest post
 No new posts Note 30  
IMO Short List 1993 G3
  Peter    2    1419    Sun Oct 21, 2007 12:38 pm 
Peter View latest post
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[Eb1, pp. 19] AMM 61(1954), 126; 62(1955), 263
  Peter    3    1596    Mon Nov 17, 2008 5:14 am 
Rust View latest post
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IMO Long List 1987 (Romania)
  Peter    1    1256    Sun Oct 21, 2007 10:25 am 
TTsphn View latest post
 No new posts Note 33  
IMO Long List 1967 P (PL)
  Peter    1    1267    Mon Oct 15, 2007 1:36 pm 
rem View latest post
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IMO Long List 1985 (SE1)
  Peter    2    1216    Mon Feb 22, 2010 6:34 pm 
Joao Pedro Santos View latest post
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IMO Long List 1985 (TR3)
  Peter    1    1192    Thu Aug 30, 2007 8:01 am 
Peter View latest post
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Italy 1996
  Peter    5    1742    Wed Dec 24, 2008 12:14 pm 
Peter View latest post
 No new posts Note 37  
Bulgaria 1996
  Peter    1    1246    Thu Aug 30, 2007 12:48 pm 
Peter View latest post
 No new posts Note 38  
[JeMm, pp. 10]
  Peter    2    1450    Tue Feb 20, 2007 7:59 pm 
Peter View latest post
 No new posts Note 39  
[KhKw, pp. 9]
  Peter    2    1474    Tue Oct 23, 2007 7:17 am 
Peter View latest post
 No new posts Note 40  
[EbMk, pp. 44]
  Peter    7    2205    Sat Feb 27, 2010 5:19 pm 
shoki View latest post
 No new posts Note 41  
[GML, pp. 2]
  Peter    1    1192    Sun Oct 21, 2007 11:03 am 
TTsphn View latest post
 No new posts Note 42  
[GML, pp. 33]
  Peter    2    1371    Fri Apr 24, 2009 3:24 pm 
Rose_joker View latest post
 No new posts Note 43  
[GML, pp. 192]
  Peter    1    1222    Mon Feb 26, 2007 1:51 am 
ZetaX View latest post
 No new posts Note 44  
(Fermat) [Ljm, pp. 21]
  Peter    4    1801    Wed Apr 23, 2008 3:40 pm 
gauravpatil View latest post
 No new posts Note 45  
(Gauss) [Ljm, pp. 57]
  Peter    2    1580    Mon Oct 22, 2007 9:40 pm 
Peter View latest post
 No new posts Note 46  
[Ljm, pp. 94]
  Peter    1    1328    Tue Jan 01, 2008 11:23 pm 
Yuriy Solovyov View latest post
 No new posts Note 47  
[Ljm, pp. 205]
  Peter    8    2504    Fri Aug 08, 2008 4:23 pm 
Peter View latest post
 No new posts Note 48  
[Ljm, pp. 208]
  Peter    7    2121    Sat Mar 07, 2009 8:21 pm 
puuhikki View latest post
 No new posts Note 49  
[Her, pp. 287]
  Peter    1    1381    Sat Sep 13, 2008 10:17 am 
myan View latest post
 No new posts Note 50  
[Rh3, pp. 207]
  Peter    1    899    Wed Oct 31, 2007 6:57 am 
Rust View latest post
 No new posts Note 51     Peter    5    1235    Mon Oct 22, 2007 4:09 pm 
TTsphn View latest post
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MM, Sep. 1980, Problem 1077, Henry Klostergaard
  Peter    1    968    Fri Oct 03, 2008 10:41 am 
maxal View latest post
 No new posts Note 53  
British Mathematical Olympiad 2002/2003, 1-1
  Peter    1    1441    Wed Apr 04, 2007 5:19 am 
Winged Potato View latest post
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Latvia 1995
  Peter    4    1224    Fri Apr 03, 2009 9:06 am 
Peter View latest post
 No new posts Note 55  
(P. Erd\"os) [MaGz pp.13-16]
  Peter    1    858    Sat Feb 21, 2009 12:50 pm 
hxy09 View latest post
 No new posts Note 56  
Belarus 1999, S. Shikh
  Peter    13    1897    Tue Jun 24, 2008 3:14 pm 
Rust View latest post
 No new posts Note 57  
IMO Long List 1987 (Greece)
  Peter    2    1061    Mon Jun 23, 2008 1:23 pm 
maxal View latest post
 No new posts Note 58  
[VsAs]
  Peter    1    1007    Sat Oct 25, 2008 1:59 pm 
bambaman View latest post
 No new posts Note 59  
CRUX, Problem 1797, Marcin E. Kuczma
  Peter    8    1897    Sat Jun 06, 2009 8:23 am 
tronghieu View latest post
 No new posts Note 60  
India 1995
  Peter    5    1447    Wed Apr 21, 2010 8:06 am 
maxal View latest post
 No new posts Note 61     Peter    1    831    Sun Oct 21, 2007 6:08 am 
TTsphn View latest post
 No new posts Note 62  
[Rdc pp.51]
  Peter    1    886    Sun Oct 21, 2007 5:59 am 
TTsphn View latest post
 No new posts Note 63  
Austria 2002
  Peter    1    978    Sat Sep 29, 2007 9:13 pm 
Peter View latest post
 No new posts Note 64  
Austria 2002
  Peter    5    1364    Fri Jan 16, 2009 1:13 pm 
Peter View latest post
 No new posts Note 65  
IMO Short List 2002 N4
  Peter    4    1228    Fri Nov 02, 2007 2:47 am 
chien than View latest post
 No new posts Note 66  
IMO Short List 2001 N2
  Peter    1    858    Sun Oct 21, 2007 5:37 am 
TTsphn View latest post
 No new posts Note 67  
Hong Kong 2000
  Peter    1    898    Tue Dec 18, 2007 10:20 pm 
TomciO View latest post
 No new posts Note 68  
Belarus 1999
  Peter    2    1083    Fri Jun 27, 2008 10:58 pm 
ali666 View latest post
 No new posts Note 69  
Baltic Way 2002
  Peter    1    1038    Sun Mar 18, 2007 3:38 pm 
mathmanman View latest post
 No new posts Note 70     Peter    6    1794    Tue Feb 26, 2008 7:33 pm 
Kabor Suk View latest post
 No new posts Note 71  
IMO 1997/5
  Peter    1    904    Sun Oct 21, 2007 7:38 am 
chien than View latest post
 No new posts Note 72  
Belarus 2000
  Peter    1    830    Mon Oct 22, 2007 4:27 pm 
TTsphn View latest post
 No new posts Note 73  
Iran 1998
  Peter    3    1053    Sun Oct 19, 2008 5:27 am 
The QuattoMaster 6000 View latest post
 No new posts Note 74  
Belarus 1996
  Peter    2    975    Tue Apr 21, 2009 11:44 am 
phymax View latest post
 No new posts Note 75  
Korea 1998
  Peter    3    958    Mon Apr 12, 2010 4:41 pm 
james_digol View latest post
 No new posts Note 76  
Hungary 1998
  Peter    1    871    Sun Oct 21, 2007 4:18 am 
TTsphn View latest post
 No new posts Note 77  
[Eb2, pp. 20] Q657, MM 52(1979), 47, 55
  Peter    5    1333    Thu Feb 26, 2009 9:28 pm 
Julio14 View latest post
 No new posts Note 78  
IMO Short List 1980 (GB)
  Peter    1    887    Mon Jan 21, 2008 3:09 am 
not_trig View latest post
 No new posts Note 79  
[DfAk, pp. 18] Leningrad Mathematical Olympiad 1988
  Peter    2    1028    Tue Jan 08, 2008 12:40 am 
scorpius119 View latest post
 No new posts Note 80  
British Mathematical Olympiad 2002/2003, 1-5
  Peter    3    1126    Fri Oct 26, 2007 6:16 am 
TTsphn View latest post
 No new posts Note 81  
British Mathematical Olympiad 2000, 2-3
  Peter    3    1320    Mon Jan 21, 2008 2:58 pm 
tdl View latest post
 No new posts Note 82  
MM, Problem 1529, David C. Kay
  Peter    2    953    Sun Oct 21, 2007 11:30 am 
Peter View latest post
 No new posts Note 83  
MM, Problem 1538, Murray S. Klamkin and George T. Gilbert.
  Peter    3    1115    Fri Jan 04, 2008 12:12 pm 
Erken View latest post
 No new posts Note 84  
CRUX, Problem 2351, Paul Yiu
  Peter    6    1442    Sun Jul 12, 2009 9:06 am 
kweenie View latest post
 No new posts Note 85  
[EbMk, pp. 22]
  Peter    1    907    Wed Jan 16, 2008 3:17 pm 
mszew View latest post
 No new posts Note 86  
[EbMk, pp. 46]
  Peter    1    934    Thu Jan 03, 2008 6:24 pm 
mszew View latest post
 No new posts Note 87  
[DNI, 42]
  Peter    2    1037    Sun Oct 21, 2007 11:30 am 
Peter View latest post
 No new posts Note 88  
Vietnam 2004
  Peter    4    1364    Tue Sep 10, 2013 11:50 am 
harrypham View latest post
 No new posts Note 89  
[JDS, pp. 29]
  Peter    3    1257    Sat Jul 19, 2008 12:42 pm 
ali666 View latest post
 No new posts Note 90     Peter    1    233    Thu Aug 15, 2013 7:34 am 
harrypham View latest post
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