User contributions for Black-ks
13 July 2015
- 10:2610:26, 13 July 2015 diff hist +4 1999 AIME Problems/Problem 3 →Solution 3
- 10:2410:24, 13 July 2015 diff hist +1 m 1999 AIME Problems/Problem 3 →Solution
- 10:2210:22, 13 July 2015 diff hist +565 1999 AIME Problems/Problem 3 →Alternate Solution
