User contributions
- 21:57, 16 March 2012 (diff | hist) . . (+1,304) . . N 2012 AIME I Problems/Problem 7 (Created page with "Define the number of coins the center student gives out to each neighbor as ''a'', the number of coins each student in the innermost pentagon (each having three connections) give...")
- 22:46, 18 March 2011 (diff | hist) . . (+2,315) . . N 2011 AIME I Problems/Problem 5 (Modulus theory shows that the answer is 144.)