User contributions
- 08:15, 28 October 2017 (diff | hist) . . (-1) . . 2009 AMC 8 Problems/Problem 12 (→Solution)
- 08:15, 28 October 2017 (diff | hist) . . (+1) . . 2009 AMC 8 Problems/Problem 12 (→Solution)
Sign In
Register
math training & tools
Alcumus
Videos
For the Win!
MATHCOUNTS Trainer
AoPS Practice Contests
AoPS Wiki
LaTeX TeXeR
MIT PRIMES/CrowdMath
Keep Learning
Sign In
Register
