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Resources Aops Wiki 2020 AMC 8 Problems/Problem 21: Revision history

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2020 AMC 8 Problems/Problem 21: Revision history

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21 August 2025

curprev 00:0100:01, 21 August 2025 Khizarrouf talk contribs 8,154 bytes +84 No edit summary

24 June 2025

curprev 23:2323:23, 24 June 2025 Grogg007 talk contribs m 8,070 bytes +58 →Solution 5

17 June 2025

curprev 14:1514:15, 17 June 2025 Grogg007 talk contribs m 8,012 bytes +4 →Solution 5

10 June 2025

curprev 12:4012:40, 10 June 2025 Grogg007 talk contribs 8,008 bytes −16 →Solution 4: Intuitive Approach
curprev 12:3912:39, 10 June 2025 Grogg007 talk contribs 8,024 bytes +47 →Solution 5: Smart Counting
curprev 12:3312:33, 10 June 2025 Grogg007 talk contribs 7,977 bytes +239 →Solution 5: Smart Counting
curprev 11:2311:23, 10 June 2025 Grogg007 talk contribs m 7,738 bytes +27 →Solution 5: Smart Counting
curprev 11:2211:22, 10 June 2025 Grogg007 talk contribs 7,711 bytes +2 →Solution 5: Smart Counting
curprev 11:2211:22, 10 June 2025 Grogg007 talk contribs m 7,709 bytes −24 →Solution 5: Smart Counting
curprev 11:2111:21, 10 June 2025 Grogg007 talk contribs 7,733 bytes +380 →Solution 5: Smart Counting

4 June 2025

curprev 19:0019:00, 4 June 2025 Aoum talk contribs 7,353 bytes +50 →Categorized problem

15 January 2025

curprev 20:3820:38, 15 January 2025 Itsmeeeee talk contribs m 7,303 bytes +1 No edit summary

12 January 2025

curprev 17:0517:05, 12 January 2025 Algebraic algorithmic talk contribs 7,302 bytes +5 →Solution 1
curprev 17:0317:03, 12 January 2025 Algebraic algorithmic talk contribs 7,297 bytes +97 →Solution 1

18 December 2024

curprev 20:3520:35, 18 December 2024 Wrenmath talk contribs 7,200 bytes +2 →Solution 1

19 January 2024

curprev 21:5021:50, 19 January 2024 Dream9 talk contribs 7,198 bytes +3 →Solution 1
curprev 21:4921:49, 19 January 2024 Dream9 talk contribs m 7,195 bytes +52 →Solution 1

16 January 2024

curprev 16:4316:43, 16 January 2024 Jeffreyq talk contribs 7,143 bytes −48 →Problem
curprev 16:4216:42, 16 January 2024 Jeffreyq talk contribs m 7,191 bytes +48 →Problem

26 December 2023

curprev 14:5514:55, 26 December 2023 Crystalkqw talk contribs 7,143 bytes 0 →Solution 2
curprev 14:5414:54, 26 December 2023 Crystalkqw talk contribs 7,143 bytes 0 →Solution 1

12 December 2023

curprev 10:1510:15, 12 December 2023 Math-x talk contribs 7,143 bytes +129 No edit summary

29 July 2023

curprev 14:2314:23, 29 July 2023 Thestudyofeverything talk contribs 7,014 bytes +118 →Solution 4: Intuitive Approach

19 January 2023

curprev 22:1522:15, 19 January 2023 Robinthebest talk contribs 6,896 bytes +74 →Solution 4: Intuitive Approach
curprev 22:1522:15, 19 January 2023 Robinthebest talk contribs 6,822 bytes −68 →Video Solution

16 January 2023

curprev 02:0502:05, 16 January 2023 Pi is 3.14 talk contribs 6,890 bytes +86 →Video Solution by MathisCool

4 January 2023

curprev 23:1123:11, 4 January 2023 Robinthebest talk contribs 6,804 bytes +1 →Video Solution
curprev 23:1023:10, 4 January 2023 Robinthebest talk contribs 6,803 bytes −1 →Video Solution by MathisCool
curprev 23:0723:07, 4 January 2023 Robinthebest talk contribs 6,804 bytes +66 →Video Solution by STEMbreezy

3 January 2023

curprev 08:3608:36, 3 January 2023 Mdsouza2025 talk contribs 6,738 bytes +76 No edit summary

30 January 2022

curprev 18:1718:17, 30 January 2022 Suhruds talk contribs 6,662 bytes +82 →Video Solution by North America Math Contest Go Go Go

2 January 2022

curprev 21:3421:34, 2 January 2022 Hh99754539 talk contribs 6,580 bytes +20 →Solution 4
curprev 21:3221:32, 2 January 2022 Hh99754539 talk contribs 6,560 bytes +943 Added solution.
curprev 19:4119:41, 2 January 2022 Tigerxiaozi talk contribs m 5,617 bytes 0 →Solution 3

1 January 2022

curprev 18:0918:09, 1 January 2022 Guoguobellevue talk contribs m 5,617 bytes −9 →Solution 3 by PEKKA

30 December 2021

curprev 15:4515:45, 30 December 2021 Jc0001 talk contribs 5,626 bytes +1 →Solution 2

29 December 2021

curprev 17:4717:47, 29 December 2021 Pekka talk contribs m 5,625 bytes +7 →Solution 3 By PEKKA
curprev 17:4617:46, 29 December 2021 Pekka talk contribs 5,618 bytes +764 New Solution

19 June 2021

curprev 12:0412:04, 19 June 2021 Timz2005 talk contribs 4,854 bytes +142 →Video Solution by WhyMath

18 April 2021

curprev 13:3513:35, 18 April 2021 Cellsecret talk contribs 4,712 bytes +91 →Video Solutions
curprev 13:3513:35, 18 April 2021 Cellsecret talk contribs 4,621 bytes −91 →Video Solution by Interstigation
curprev 13:3113:31, 18 April 2021 Michael595 talk contribs 4,712 bytes +91 →Video Solution by WhyMath

11 March 2021

curprev 18:0418:04, 11 March 2021 Hashtagmath talk contribs 4,621 bytes +1 →Solution 2
curprev 18:0418:04, 11 March 2021 Hashtagmath talk contribs 4,620 bytes +2 →Solution 1

26 February 2021

curprev 17:2317:23, 26 February 2021 Savannahsolver talk contribs 4,618 bytes +77 No edit summary

12 February 2021

curprev 22:4822:48, 12 February 2021 Fnu prince talk contribs m 4,541 bytes −51 →Video Solutions

31 January 2021

curprev 15:0315:03, 31 January 2021 Mauberry talk contribs 4,592 bytes +1 →Video Solutions
curprev 15:0215:02, 31 January 2021 Mauberry talk contribs 4,591 bytes +50 →Video Solutions

6 January 2021

curprev 18:5318:53, 6 January 2021 Billybillybobjoejr. talk contribs 4,541 bytes −101 →Video Solutions

3 January 2021

curprev 13:2413:24, 3 January 2021 Ritvikaops talk contribs m 4,642 bytes +101 →Video Solutions

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