Simple changes
Simple display of recent changes.
- 2002 AMC 12P Problems/Problem 12
- 1991 AIME Problems/Problem 8
- 2005 AMC 12B Problems/Problem 22
- 1971 AHSME Problems/Problem 6
- 2000 AMC 12 Problems/Problem 8
- 2006 AIME I Problems/Problem 13
- 2019 AMC 10A Problems/Problem 7
- AoPS Wiki:Tutorial
- 1990 IMO Problems/Problem 3
- 1957 AHSME Problems/Problem 32
- 1957 AHSME Problems/Problem 31
- 45-45-90 triangle