21 March 2020

• 09:4709:47, 21 March 2020 diff hist 0 m 2018 AIME II Problems/Problem 5 →Solution 7
• 09:4609:46, 21 March 2020 diff hist 0 m 2018 AIME II Problems/Problem 5 →Solution 5 (Based on advanced mathematical knowledge)
• 09:4609:46, 21 March 2020 diff hist 0 m 2018 AIME II Problems/Problem 5 →Solution 4
• 09:4609:46, 21 March 2020 diff hist 0 m 2018 AIME II Problems/Problem 5 →Solution 3

15 March 2020

• 10:0510:05, 15 March 2020 diff hist +1 1995 USAMO Problems/Problem 5 No edit summary
• 10:0510:05, 15 March 2020 diff hist +2,028 1995 USAMO Problems/Problem 5 No edit summary

16 February 2020

• 14:1714:17, 16 February 2020 diff hist −1 m 2020 AMC 10B Problems/Problem 2 →Solution