12 August 2025

• curprev 22:1422:14, 12 August 2025 Quantumraven talk contribs 1,885 bytes +662 →Solution 1
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• curprev 22:0722:07, 12 August 2025 Quantumraven talk contribs 809 bytes +12 →Solution 1
• curprev 22:0622:06, 12 August 2025 Quantumraven talk contribs 797 bytes +4 →Solution 1
• curprev 22:0622:06, 12 August 2025 Quantumraven talk contribs 793 bytes +219 →Solution 1
• curprev 22:0422:04, 12 August 2025 Quantumraven talk contribs m 574 bytes +16 →Problem

14 May 2021

• curprev 10:3010:30, 14 May 2021 Etmetalakret talk contribs 558 bytes +99 No edit summary
• curprev 10:2510:25, 14 May 2021 Etmetalakret talk contribs 459 bytes +30 No edit summary

12 October 2020

• curprev 22:0922:09, 12 October 2020 Renrenthehamster talk contribs 429 bytes +100 No edit summary

23 September 2020

• curprev 01:0201:02, 23 September 2020 Epicnumbertheory talk contribs 329 bytes +329 Created page with "Problem 5. A deck of n > 1 cards is given. A positive integer is written on each card. The deck has the property that the arithmetic mean of the numbers on each pair of cards..."