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Math Olympiads
42 topics • Page 1 of 1
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- Math task for which they pay Big Money
by izitors » Thu Jan 17, 2019 6:03 pm - 1 Replies
- 99 Views
- Last post by izitors
Sat Jan 19, 2019 7:23 pm
- Math task for which they pay Big Money
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- Chess board problem
by Guest » Thu Oct 04, 2018 6:49 pm - 1 Replies
- 158 Views
- Last post by Guest
Fri Oct 05, 2018 4:16 am
- Chess board problem
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- Bulgarian TST
by Guest » Sat Jul 09, 2011 5:19 pm - 2 Replies
- 1489 Views
- Last post by Stelf1990
Wed Jan 31, 2018 5:36 am
- Bulgarian TST
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- The root is around n+2/3
by Guest » Sun Aug 13, 2017 7:03 pm - 0 Replies
- 738 Views
- Last post by Guest
Sun Aug 13, 2017 7:03 pm
- The root is around n+2/3
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- Ordered pair solutions?
by cmorton557 » Sat Jul 09, 2016 4:03 pm - 1 Replies
- 669 Views
- Last post by Guest
Sat Jul 09, 2016 7:48 pm
- Ordered pair solutions?
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- School Math Curriculum
by Guest » Mon May 05, 2014 12:14 am - 3 Replies
- 995 Views
- Last post by Guest
Wed Jun 08, 2016 10:33 am
- School Math Curriculum
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- Find integers so that sum is prime
by MM » Sun Sep 13, 2009 8:32 am - 2 Replies
- 1350 Views
- Last post by leesajohnson
Thu May 26, 2016 4:55 am
- Find integers so that sum is prime
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- An Interesting Task
by Guest » Mon Jan 23, 2012 10:08 am
- 7 Replies
- 1134 Views
- Last post by Guest
Mon Mar 07, 2016 7:58 am
- An Interesting Task
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- Equation with two variables
by MM » Fri Jul 25, 2008 3:37 pm - 5 Replies
- 2479 Views
- Last post by leesajohnson
Wed Mar 02, 2016 6:04 am
- Equation with two variables
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- Difficulty with Word Problem
by Guest » Wed Oct 21, 2015 3:41 pm - 2 Replies
- 572 Views
- Last post by Guest
Thu Oct 22, 2015 12:53 pm
- Difficulty with Word Problem
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- Diophantine Equation 1
by MM » Tue Jul 22, 2008 10:46 am - 3 Replies
- 2113 Views
- Last post by shahjee1
Wed Oct 15, 2014 7:30 am
- Diophantine Equation 1
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- Permutations and combinations
by Guest » Mon Oct 21, 2013 5:28 am - 0 Replies
- 757 Views
- Last post by Guest
Mon Oct 21, 2013 5:28 am
- Permutations and combinations
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- Find solutions
by MM » Fri Dec 11, 2009 8:48 am - 1 Replies
- 2705 Views
- Last post by Guest
Tue Dec 11, 2012 12:17 pm
- Find solutions
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- Sum of factorial
by Guest » Tue Nov 27, 2012 1:48 pm - 1 Replies
- 1013 Views
- Last post by Guest
Tue Dec 11, 2012 6:35 am
- Sum of factorial
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- Equation in natural numbers
by MM » Sun Dec 21, 2008 2:18 pm - 5 Replies
- 3735 Views
- Last post by MM
Tue Sep 25, 2012 5:09 pm
- Equation in natural numbers
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- Sequence: integral of integer part
by MM » Fri Sep 21, 2012 1:51 pm - 3 Replies
- 1039 Views
- Last post by MM
Tue Sep 25, 2012 4:30 pm
- Sequence: integral of integer part
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- Prove that the equation x^2+5=y^3 has no solutions
by Math Tutor » Tue Feb 15, 2011 5:15 pm - 6 Replies
- 1528 Views
- Last post by Guest
Wed Jul 18, 2012 3:30 am
- Prove that the equation x^2+5=y^3 has no solutions
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- Find all natural numbers x,y,z
by MM » Sun Nov 29, 2009 2:18 pm - 2 Replies
- 1265 Views
- Last post by perfectmath
Sat Jun 30, 2012 2:42 am
- Find all natural numbers x,y,z
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- Three interpenetrating spheres yield a maximum of seven
by Guest » Fri Jan 27, 2012 3:08 pm - 0 Replies
- 891 Views
- Last post by Guest
Fri Jan 27, 2012 3:08 pm
- Three interpenetrating spheres yield a maximum of seven
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- Sum Of Two Squares
by MM » Fri Jan 23, 2009 2:29 pm - 3 Replies
- 2113 Views
- Last post by Guest
Mon Dec 19, 2011 3:51 pm
- Sum Of Two Squares
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- Coins and a Table
by chetjan » Fri Sep 25, 2009 5:44 pm - 2 Replies
- 1470 Views
- Last post by sabah orou
Wed Jun 23, 2010 2:00 pm
- Coins and a Table
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- Search naturals as powers
by MM » Sat Oct 25, 2008 5:54 am - 1 Replies
- 2437 Views
- Last post by martin123456
Wed Nov 25, 2009 7:02 am
- Search naturals as powers
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- Three variables
by MM » Sun Dec 28, 2008 1:33 pm - 1 Replies
- 2656 Views
- Last post by martin123456
Wed Nov 25, 2009 5:14 am
- Three variables
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- Power Of 2
by MM » Fri Jun 19, 2009 4:02 pm - 1 Replies
- 2518 Views
- Last post by masterfromkardjali
Fri Aug 21, 2009 5:01 pm
- Power Of 2
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- Equation which is nonstandard - x^2-10[x]+17=0
by MM » Thu Nov 20, 2008 8:59 am - 10 Replies
- 3487 Views
- Last post by MM
Sun Dec 14, 2008 12:08 pm
- Equation which is nonstandard - x^2-10[x]+17=0
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- Represent as sum of squares
by MM » Sat Oct 25, 2008 10:07 am - 1 Replies
- 1762 Views
- Last post by broniran
Mon Nov 03, 2008 12:05 pm
- Represent as sum of squares
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- Inequalities, numbers
by MM » Sat Oct 25, 2008 5:43 am - 0 Replies
- 1357 Views
- Last post by MM
Sat Oct 25, 2008 5:43 am
- Inequalities, numbers
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- Integer Roots
by MM » Wed Oct 15, 2008 3:07 pm - 0 Replies
- 1361 Views
- Last post by MM
Wed Oct 15, 2008 3:07 pm
- Integer Roots
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- Problem for 7th Grade
by MM » Mon Sep 22, 2008 8:02 am - 1 Replies
- 1872 Views
- Last post by broniran
Tue Oct 14, 2008 12:16 pm
- Problem for 7th Grade
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- Prove that the number x+y-1 is composite
by MM » Sat Sep 27, 2008 3:56 am - 1 Replies
- 2389 Views
- Last post by broniran
Fri Oct 10, 2008 3:04 pm
- Prove that the number x+y-1 is composite
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- Perfect square for every n
by MM » Wed Sep 17, 2008 9:27 am - 2 Replies
- 6255 Views
- Last post by mrbrenner
Wed Oct 01, 2008 10:51 am
- Perfect square for every n
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- Not a square n^7 + 7
by broniran » Sun Sep 14, 2008 7:47 am - 0 Replies
- 1581 Views
- Last post by broniran
Sun Sep 14, 2008 7:47 am
- Not a square n^7 + 7
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- Equation No Solution
by MM » Fri Sep 05, 2008 1:29 pm - 0 Replies
- 1765 Views
- Last post by MM
Fri Sep 05, 2008 1:29 pm
- Equation No Solution
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- 2^n = k(mod 7)
by Rock'n'roller » Sun Aug 10, 2008 6:22 am - 1 Replies
- 1873 Views
- Last post by broniran
Wed Sep 03, 2008 2:45 am
- 2^n = k(mod 7)
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- 7th grade third round Bulgaria 2007
by MM » Fri Jul 25, 2008 5:55 am - 0 Replies
- 1606 Views
- Last post by MM
Fri Jul 25, 2008 5:55 am
- 7th grade third round Bulgaria 2007
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- Let m be the number of the overall points of n circles
by MM » Thu Jul 24, 2008 3:58 pm - 0 Replies
- 1359 Views
- Last post by MM
Thu Jul 24, 2008 3:58 pm
- Let m be the number of the overall points of n circles
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- Calculate the equation in whole numbers
by kate » Fri Jul 04, 2008 11:48 am - 1 Replies
- 1410 Views
- Last post by MM
Tue Jul 22, 2008 10:25 am
- Calculate the equation in whole numbers
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- Solve the equation in real positive numbers
by kate » Fri Jul 04, 2008 11:45 am - 1 Replies
- 1712 Views
- Last post by MM
Tue Jul 22, 2008 9:26 am
- Solve the equation in real positive numbers
42 topics • Page 1 of 1
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