25 June 2025

• curprev 16:5016:50, 25 June 2025 Aoum talk contribs 2,412 bytes +79 No edit summary

29 October 2024

• curprev 13:3013:30, 29 October 2024 Savannahsolver talk contribs 2,333 bytes +60 No edit summary

16 August 2024

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17 February 2024

• curprev 21:3221:32, 17 February 2024 Didibabawuwuwu talk contribs m 2,272 bytes −1 →Problem

9 January 2024

• curprev 13:0513:05, 9 January 2024 Dominoesismid talk contribs m 2,273 bytes 0 →Solution

6 January 2024

• curprev 02:5702:57, 6 January 2024 Hashtagmath talk contribs m 2,273 bytes −32 Included full problem statement in problem

12 December 2023

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16 November 2019

• curprev 14:3614:36, 16 November 2019 Heidinet talk contribs 2,305 bytes 0 →Problem
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4 July 2013

• curprev 23:4123:41, 4 July 2013 Nathan wailes talk contribs 2,305 bytes +15 No edit summary

23 December 2012

• curprev 18:3318:33, 23 December 2012 Gina talk contribs 2,290 bytes +290 No edit summary

8 January 2012

• curprev 14:3414:34, 8 January 2012 Mrdavid445 talk contribs 2,000 bytes +1,445 No edit summary
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28 July 2011

• curprev 19:3019:30, 28 July 2011 Giratina150 talk contribs 570 bytes +570 Created page with " == Problem 10 == Juan organizes the stamps in his collection by country and by the decade in which they were issued. The prices he paid for them at a stamp shop were: Brazil an..."