Simple changes
Simple display of recent changes.
- Pentagonal number
- 2013 AIME II Problems/Problem 11
- User:Resreviews
- 2007 AMC 8 Problems/Problem 19
- User:Satthepbienhoa
- User:Jun88ircom
- User:RedFireTruck
- 2017 AMC 10A Problems/Problem 25
- User:Aspolund
- 2013 AIME II Problems/Problem 4
- User:Fun88bobay
- 1962 AHSME Problems/Problem 23
- 2014 AMC 12B Problems/Problem 4
- User:Win98vnpro
- 2017 AMC 10B Problems/Problem 21
- Bay Area Mathematical Olympiad (BAMO)
- 2023 AMC 10A Problems/Problem 13
- Sharygin Olympiads, the best