16 February 2019

• 13:5013:50, 16 February 2019 diff hist +4 2019 AMC 10B Problems/Problem 14 →Solution 3

15 February 2019

• 15:3015:30, 15 February 2019 diff hist +3 2019 AMC 12B Problems/Problem 13 →Solution 5(easiest)
• 15:2915:29, 15 February 2019 diff hist +203 2019 AMC 12B Problems/Problem 13 →Solution 5(easiest)
• 15:2715:27, 15 February 2019 diff hist +465 2019 AMC 12B Problems/Problem 13 No edit summary
• 15:1615:16, 15 February 2019 diff hist +2 2019 AMC 10B Problems/Problem 14 →Solution 3
• 15:1615:16, 15 February 2019 diff hist +11 2019 AMC 10B Problems/Problem 14 →Solution 3
• 15:1415:14, 15 February 2019 diff hist +1,077 2019 AMC 10B Problems/Problem 14 No edit summary