3 February 2022

• 15:0315:03, 3 February 2022 diff hist +7 m 2021 AIME I Problems →Problem 8

31 July 2019

• 15:4115:41, 31 July 2019 diff hist −113 1990 AJHSME Problems/Problem 10 →See Also Tag: Blanking
• 15:4115:41, 31 July 2019 diff hist −513 1990 AJHSME Problems/Problem 10 →Solution
• 15:4115:41, 31 July 2019 diff hist −379 1990 AJHSME Problems/Problem 10 →Problem
• 15:4015:40, 31 July 2019 diff hist −608 1990 AJHSME Problems/Problem 10 →Problem
• 15:3915:39, 31 July 2019 diff hist +94 1990 AJHSME Problems/Problem 10 →Problem

9 September 2018

• 15:2515:25, 9 September 2018 diff hist −5 2004 AMC 8 Problems/Problem 13 →Problem