18 July 2007

• 17:2217:22, 18 July 2007 diff hist +6 2007 AMC 12A Problems/Problem 20 →Solution
• 17:1917:19, 18 July 2007 diff hist +28 2007 AMC 12A Problems/Problem 20 →Solution
• 17:1417:14, 18 July 2007 diff hist +34 N File:2007 AMC 12A Problem 20.png Diagram of 2007 AMC 12A Problem 20 current
• 17:0217:02, 18 July 2007 diff hist +37 AMC 12 Problems and Solutions No edit summary

2 June 2007

• 23:3523:35, 2 June 2007 diff hist +146 ARML teams No edit summary
• 23:3423:34, 2 June 2007 diff hist −1 ARML teams No edit summary