22 July 2025

• curprev 16:4816:48, 22 July 2025 Johnadams1800 talk contribs m 11,835 bytes +1 →Solution 7 (Algebra and Recursion): typo.
• curprev 16:4716:47, 22 July 2025 Johnadams1800 talk contribs 11,834 bytes +1,117 Fixed.

1 February 2024

• curprev 12:1912:19, 1 February 2024 Williamschen talk contribs m 10,717 bytes 0 →Solution 2

5 January 2024

• curprev 17:3617:36, 5 January 2024 Mathkiddie talk contribs 10,717 bytes −119 →Video Solution By North America Math Contest Go Go Go

3 January 2024

• curprev 15:2115:21, 3 January 2024 Mathboy282 talk contribs 10,836 bytes 0 →Solution 1
• curprev 15:2115:21, 3 January 2024 Mathboy282 talk contribs 10,836 bytes +38 clarify
• curprev 15:1615:16, 3 January 2024 Mathboy282 talk contribs 10,798 bytes +449 →Solution 1

1 January 2024

• curprev 23:1423:14, 1 January 2024 Adam zheng talk contribs m 10,349 bytes −8 →Solution 1

28 December 2023

• curprev 21:1721:17, 28 December 2023 Cappucher talk contribs 10,357 bytes +44 →See Also

22 January 2023

• curprev 21:3321:33, 22 January 2023 Bakedpotato66 talk contribs m 10,313 bytes +967 →Solution 7 (Official MAA)

1 June 2022

• curprev 23:0523:05, 1 June 2022 Hayabusa1 talk contribs 9,346 bytes +84 →Video Solution By North America Math Contest Go Go Go

14 March 2021

• curprev 17:0617:06, 14 March 2021 Timz2005 talk contribs 9,262 bytes +119 →Solution 7 (Official MAA)

25 February 2021

• curprev 15:1615:16, 25 February 2021 Asbodke talk contribs 9,143 bytes +853 No edit summary

16 February 2021

• curprev 01:2301:23, 16 February 2021 Etvat talk contribs 8,290 bytes −2 No edit summary

13 August 2020

• curprev 04:4104:41, 13 August 2020 Runyangwang talk contribs 8,292 bytes +1,073 No edit summary

11 June 2020

• curprev 15:2215:22, 11 June 2020 Natmath talk contribs 7,219 bytes +1 →Solution 5
• curprev 15:2215:22, 11 June 2020 Natmath talk contribs m 7,218 bytes −26 No edit summary
• curprev 15:0515:05, 11 June 2020 Natmath talk contribs m 7,244 bytes +10 No edit summary
• curprev 15:0415:04, 11 June 2020 Natmath talk contribs 7,234 bytes +1,380 No edit summary
• curprev 15:0415:04, 11 June 2020 Natmath talk contribs 5,854 bytes −1,380 No edit summary
• curprev 14:5914:59, 11 June 2020 Natmath talk contribs 7,234 bytes +1,380 No edit summary

5 June 2020

• curprev 14:2914:29, 5 June 2020 Angelalz talk contribs m 5,854 bytes +1 →Solution 1
• curprev 14:2614:26, 5 June 2020 Angelalz talk contribs m 5,853 bytes +79 →Solution 4

4 June 2020

• curprev 20:5320:53, 4 June 2020 Angelalz talk contribs m 5,774 bytes −1 →Solution 4
• curprev 20:4920:49, 4 June 2020 Angelalz talk contribs m 5,775 bytes +44 →Solution 4
• curprev 20:4920:49, 4 June 2020 Angelalz talk contribs m 5,731 bytes −44 →Solution 4
• curprev 20:4620:46, 4 June 2020 Angelalz talk contribs m 5,775 bytes +44 →Solution 4
• curprev 20:2720:27, 4 June 2020 Angelalz talk contribs m 5,731 bytes +49 →Solution 1

11 March 2020

• curprev 00:1000:10, 11 March 2020 Anmol04 talk contribs m 5,682 bytes +4 →Solution 2: latex fix

11 January 2020

• curprev 23:5323:53, 11 January 2020 Frestho talk contribs 5,678 bytes +10 →Solution 3 (Newton Sums)

26 December 2019

• curprev 12:0012:00, 26 December 2019 Gr8song talk contribs m 5,668 bytes +18 →Solution 4
• curprev 11:5911:59, 26 December 2019 Gr8song talk contribs m 5,650 bytes +13 →Solution 3 (Newton Sums)

17 December 2019

• curprev 22:0922:09, 17 December 2019 Zhut talk contribs m 5,637 bytes +2 A minor fix $a^4+b^4=(a^2+b^2)-2a^2b^2$ to $a^4+b^4=(a^2+b^2)^2-2a^2b^2$

25 November 2019

• curprev 21:0221:02, 25 November 2019 Danielwilliam talk contribs m 5,635 bytes +1 →Solution 5

11 November 2019

• curprev 13:3813:38, 11 November 2019 Emathmaster talk contribs 5,634 bytes +7 →Solution 2

1 August 2019

• curprev 18:2618:26, 1 August 2019 Pcampbell talk contribs 5,627 bytes −2,149 No edit summary

28 June 2019

• curprev 07:4507:45, 28 June 2019 Trex4days talk contribs m 7,776 bytes +90 →Solution 4 (Not Fun): LaTeX small fixes

27 March 2019

• curprev 13:5713:57, 27 March 2019 Zeric talk contribs 7,686 bytes +1,753 No edit summary

16 March 2019

• curprev 19:2019:20, 16 March 2019 Shootingstar8 talk contribs m 5,933 bytes +1 →Solution 1
• curprev 19:1919:19, 16 March 2019 Shootingstar8 talk contribs m 5,932 bytes 0 →Solution 1
• curprev 18:1618:16, 16 March 2019 Speedstorm talk contribs 5,932 bytes +4 →Solution 4 (Fun)
• curprev 12:5212:52, 16 March 2019 Puddles penguin talk contribs m 5,928 bytes +21 →Solution 1

15 March 2019

• curprev 19:0219:02, 15 March 2019 Pcampbell talk contribs 5,907 bytes +12 No edit summary
• curprev 18:1818:18, 15 March 2019 Ish sahh talk contribs 5,895 bytes −2 →Solution 1
• curprev 18:0918:09, 15 March 2019 Pcampbell talk contribs 5,897 bytes +2,043 No edit summary
• curprev 13:5413:54, 15 March 2019 Jonxu101 talk contribs 3,854 bytes +20 →Solution 2
• curprev 13:5213:52, 15 March 2019 Jonxu101 talk contribs 3,834 bytes +9 →Solution 3 (Newton Sums)
• curprev 13:5113:51, 15 March 2019 Jonxu101 talk contribs 3,825 bytes +1 →Solution 3 (Newton Sums)
• curprev 13:5013:50, 15 March 2019 Jonxu101 talk contribs 3,824 bytes +977 →Solution 3 (Newton Sums)
• curprev 13:2813:28, 15 March 2019 Jonxu101 talk contribs 2,847 bytes +350 →Solution 2