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# Math Challenge Problems Forum

Math Challenge Problem Forum: For challenging math problems (that you can solve yourself)

• Replies: 0
• Views: 935
Apr 15th 2014, 05:32 PM
1. ### Prove some identities!

• Replies: 105
• Views: 7,686
Dec 29th 2010, 11:58 PM
2. ### MHF Integral Bee!

• Replies: 103
• Views: 8,540
Aug 24th 2009, 05:28 AM
3. ### Prove some identities! (Round two)

• Replies: 93
• Views: 7,443
Feb 7th 2011, 04:50 AM
4. ### Trick Questions

• Replies: 85
• Views: 11,802
Nov 19th 2006, 05:18 AM
5. ### 2011 MIT Integration Bee Qualifying Test

• Replies: 38
• Views: 8,181
Feb 1st 2011, 02:59 AM
6. ### Problem 40

• Replies: 30
• Views: 4,977
Nov 18th 2007, 06:45 PM
7. ### Proof that 1 = 2

• Replies: 29
• Views: 4,043
Jul 20th 2013, 03:59 PM
8. ### Nice matrix limit))

• Replies: 28
• Views: 1,848
May 5th 2010, 02:46 PM
9. ### 5 pirates sharing the booty

• Replies: 25
• Views: 6,903
Sep 12th 2007, 09:00 PM
10. ### Cubes upon cubes

• Replies: 23
• Views: 1,854
Nov 26th 2010, 03:26 PM
11. ### proof of -1 = +1

• Replies: 22
• Views: 2,019
May 7th 2009, 01:40 PM
12. ### GLaw’s challenge problems

• Replies: 21
• Views: 2,135
Feb 8th 2016, 08:49 PM
13. ### Question 1

• Replies: 20
• Views: 3,192
Oct 4th 2008, 12:03 AM
14. ### Riddle me this Riddle me that...

• Replies: 19
• Views: 2,201
Jan 19th 2007, 08:51 AM
15. ### Problem 37

• Replies: 18
• Views: 3,020
Oct 22nd 2007, 02:43 AM
16. ### Problem 50

• Replies: 18
• Views: 10,854
Aug 7th 2009, 04:45 PM
17. ### Infinite series (4)

• Replies: 18
• Views: 2,116
Mar 11th 2010, 07:15 AM
18. ### Number of ways to evaluate an integral

• Replies: 18
• Views: 1,905
Feb 16th 2011, 01:35 PM
19. ### Irrational

• Replies: 17
• Views: 2,686
Jan 30th 2006, 10:16 PM
20. ### Prove this is the only solution

• Replies: 17
• Views: 1,614
Nov 19th 2006, 07:04 AM
21. ### card 'trick' and group theory

• Replies: 17
• Views: 4,773
Dec 23rd 2006, 09:21 AM
22. ### Problem 21

• Replies: 17
• Views: 3,111
May 10th 2007, 12:03 PM
23. ### Problem 44

• Replies: 17
• Views: 3,398
Feb 10th 2008, 08:04 PM
24. ### Small Challenge

• Replies: 17
• Views: 1,805
Jul 23rd 2010, 02:27 AM
25. ### [SOLVED] Fixed point

• Replies: 16
• Views: 1,665
May 18th 2010, 07:10 PM

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