22 February 2013

• 20:3620:36, 22 February 2013 diff hist +17 2013 AMC 12B Problems/Problem 20 →Solution
• 20:3220:32, 22 February 2013 diff hist +1,882 2013 AMC 12B Problems/Problem 20 →Solution
• 19:5619:56, 22 February 2013 diff hist +1,189 2013 AMC 12B Problems/Problem 16 No edit summary

15 January 2012

• 05:1805:18, 15 January 2012 diff hist +833 2008 AMC 12A Problems/Problem 19 No edit summary

4 January 2012

• 23:2223:22, 4 January 2012 diff hist +674 2002 AMC 12A Problems/Problem 24 →Solution

19 April 2011

• 19:1319:13, 19 April 2011 diff hist −9 2011 AIME II Problems/Problem 15 →Solution
• 19:0819:08, 19 April 2011 diff hist +1,072 2011 AIME II Problems/Problem 15 →Solution
• 18:4518:45, 19 April 2011 diff hist +1,786 2011 AIME II Problems/Problem 15 →Solution

16 February 2011

• 00:4500:45, 16 February 2011 diff hist +359 2011 AMC 10A Problems/Problem 18 →Solution
• 00:4400:44, 16 February 2011 diff hist 0 2011 AMC 10A Problems →Problem 18
• 00:4300:43, 16 February 2011 diff hist +47 2011 AMC 10A Problems →Problem 18
• 00:4100:41, 16 February 2011 diff hist −453 2011 AMC 10A Problems →Solution
• 00:4000:40, 16 February 2011 diff hist +405 2011 AMC 10A Problems →Problem 18
• 00:3900:39, 16 February 2011 diff hist +451 N 2011 AMC 10A Problems/Problem 18 Created page with '== Solution == Draw a rectangle with vertices at the centers of <math>A</math> and <math>B</math> and the intersection of <math>A, C</math> and <math>B, C</math>. Then, we can c…'
• 00:3800:38, 16 February 2011 diff hist −453 2011 AMC 10A Problems →Solution
• 00:3700:37, 16 February 2011 diff hist +453 2011 AMC 10A Problems →Problem 18
• 00:3000:30, 16 February 2011 diff hist +1,900 2011 AMC 10A Problems/Problem 22 No edit summary

15 February 2011

• 23:3923:39, 15 February 2011 diff hist +453 2011 AMC 10A Problems/Problem 15 No edit summary
• 23:1323:13, 15 February 2011 diff hist 0 2011 AMC 10A Problems/Problem 12 →Solution
• 23:1323:13, 15 February 2011 diff hist +40 2011 AMC 10A Problems/Problem 14 →Solution
• 23:1223:12, 15 February 2011 diff hist +3 2011 AMC 10A Problems/Problem 14 →Solution
• 23:1123:11, 15 February 2011 diff hist +372 2011 AMC 10A Problems/Problem 12 No edit summary
• 23:0623:06, 15 February 2011 diff hist +338 2011 AMC 10A Problems/Problem 11 No edit summary
• 22:5922:59, 15 February 2011 diff hist +387 2011 AMC 10A Problems/Problem 10 No edit summary
• 22:5122:51, 15 February 2011 diff hist +87 2011 AMC 10A Problems/Problem 4 No edit summary
• 22:4522:45, 15 February 2011 diff hist +1,020 2011 AMC 10A Problems/Problem 21 No edit summary

14 February 2011

• 17:5517:55, 14 February 2011 diff hist +447 2011 AMC 10A Problems/Problem 17 No edit summary
• 14:4514:45, 14 February 2011 diff hist +394 2011 AMC 10A Problems/Problem 14 No edit summary
• 14:1014:10, 14 February 2011 diff hist +17 2011 AMC 10A Problems/Problem 13 →Solution
• 14:0814:08, 14 February 2011 diff hist +534 2011 AMC 10A Problems/Problem 13 No edit summary
• 14:0214:02, 14 February 2011 diff hist +2 2011 AMC 10A Problems/Problem 6 →Solution
• 14:0214:02, 14 February 2011 diff hist +317 2011 AMC 10A Problems/Problem 6 No edit summary

13 February 2011

• 23:1323:13, 13 February 2011 diff hist +536 2011 AMC 10A Problems/Problem 16 No edit summary

11 February 2011

• 18:5518:55, 11 February 2011 diff hist −1 2011 AMC 10A Problems/Problem 20 →Solution
• 18:5518:55, 11 February 2011 diff hist +847 2011 AMC 10A Problems/Problem 20 No edit summary

9 February 2011

• 22:3622:36, 9 February 2011 diff hist +2 2011 AMC 10A Problems →Problem 1
• 22:2922:29, 9 February 2011 diff hist +51 2011 AMC 10A Problems →Problem 1

7 February 2011

• 23:3823:38, 7 February 2011 diff hist +6 2009 AMC 10A Problems/Problem 24 →Solution 2
• 23:3623:36, 7 February 2011 diff hist +70 2009 AMC 10A Problems/Problem 24 →Solution 2

1 February 2011

• 21:5221:52, 1 February 2011 diff hist +66 2010 AMC 12A Problems/Problem 8 →Solution

29 January 2011

• 18:2218:22, 29 January 2011 diff hist −1 2010 AMC 10A Problems/Problem 25 No edit summary
• 02:2502:25, 29 January 2011 diff hist −1 2002 AMC 10B Problems/Problem 18 →Problem
• 02:2402:24, 29 January 2011 diff hist +206 2002 AMC 10B Problems/Problem 18 →Solution
• 02:1802:18, 29 January 2011 diff hist −8 2002 AMC 10B Problems/Problem 25 →Solution
• 02:1802:18, 29 January 2011 diff hist +358 2002 AMC 10B Problems/Problem 25 →Solution

18 January 2011

• 00:4300:43, 18 January 2011 diff hist +607 2010 AMC 12B Problems/Problem 14 →Solution

17 January 2011

• 23:0223:02, 17 January 2011 diff hist +1,212 N 2010 AMC 10A Problems/Problem 25 Created page with 'We can find the answer by working backwards. We begin with <math>1-1^2=0</math> on the bottom row, then the <math>1</math> goes to the right of the equal's sign in the row above.…'