Simple changes
Simple display of recent changes.
- 2005 IMO Problems/Problem 6
- User talk:Zhenghua
- Let a and b be nonzero real numbers such that (2 - 7i)(a + bi)is pure imaginary. Find a/b.
- 2002 AMC 12B Problems/Problem 17
- 2024 AIME II Problems/Problem 15
- 2001 AIME I Problems/Problem 15
- 1967 AHSME Problems/Problem 35
- Mustang Math Tournament
- 2019 AMC 8 Problems/Problem 22
- 2010 AMC 12A Problems/Problem 21