User contributions
- 20:44, 28 March 2011 (diff | hist) . . (0) . . m 2011 AIME I Problems/Problem 1 (fix typo)
- 20:38, 28 March 2011 (diff | hist) . . (+570) . . 2011 AIME I Problems/Problem 1 (Add an easier way to arrive a 80% acidity)
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
