Art of Problem Solving

Math texts, online classes, and more
for students in grades 5-12.

Visit AoPS Online ‚

Books for Grades 5-12 Online Courses

Engaging math books and online learning
for students ages 6-13.

Visit Beast Academy ‚

Books for Ages 6-13 Beast Academy Online

Small live classes for advanced math
and language arts learners in grades 2-12.

Visit AoPS Academy ‚

Find a Physical Campus Visit the Virtual Campus

Sign In

Register

Class Schedule Recommendations Olympiad Courses Free Sessions

AoPS Curriculum Beast Academy Online Books Recommendations Other Books & Gear All Products Gift Certificates

Forums Contests Search Help

math training & tools Alcumus Videos For the Win! MATHCOUNTS Trainer AoPS Practice Contests AoPS Wiki LaTeX TeXeR MIT PRIMES/CrowdMath Keep Learning All Ten

contests on aops Practice Math Contests USABO

news AoPS Blog Webinars

view all 0

Sign In

Register

Resources Aops Wiki User contributions

Page

Special page

Toolbox

Recent changesRandom pageHelpAtomUser contributionsLogsView user groupsSpecial pages

Search

User contributions

For Szhangmath (talk | block log | uploads | logs)

Search for contributions

Show contributions of new accounts only
IP address or username:

Namespace: Invert selection Associated namespace

Tag filter:

Only show edits that are latest revisions Only show edits that are page creations Hide minor edits

From date:

To date:

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)

22:42, 27 July 2025 (diff | hist) . . (-96)‎ . . 2015 AMC 12A Problems/Problem 22 ‎ (→‎Solution 1) (current)
14:14, 24 July 2025 (diff | hist) . . (+96)‎ . . 2015 AMC 12A Problems/Problem 22 ‎ (→‎Solution 1)
10:27, 21 December 2024 (diff | hist) . . (+7)‎ . . 2020 AIME II Problems/Problem 10 ‎ (→‎Solution 1) (current)
21:18, 25 October 2024 (diff | hist) . . (+170)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:50, 25 October 2024 (diff | hist) . . (-4)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:50, 25 October 2024 (diff | hist) . . (-13)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:48, 25 October 2024 (diff | hist) . . (-8)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:48, 25 October 2024 (diff | hist) . . (-10)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:47, 25 October 2024 (diff | hist) . . (-2)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:46, 25 October 2024 (diff | hist) . . (-2)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:29, 25 October 2024 (diff | hist) . . (+14)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:29, 25 October 2024 (diff | hist) . . (-20)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 4)
19:28, 25 October 2024 (diff | hist) . . (+1,765)‎ . . 2010 AMC 12A Problems/Problem 18 ‎ (→‎Solution 3)
11:11, 27 September 2024 (diff | hist) . . (+24)‎ . . 1999 USAMO Problems/Problem 6 ‎ (→‎Solution) (current)
11:10, 27 September 2024 (diff | hist) . . (+4)‎ . . 1999 USAMO Problems/Problem 6 ‎ (→‎Solution)
11:11, 26 September 2024 (diff | hist) . . (+41)‎ . . 2011 AMC 12A Problems/Problem 16 ‎ (→‎Solution 7) (current)
11:06, 26 September 2024 (diff | hist) . . (-2)‎ . . 2011 AMC 12A Problems/Problem 16 ‎ (→‎Solution 7)
11:05, 26 September 2024 (diff | hist) . . (+5)‎ . . 2011 AMC 12A Problems/Problem 16 ‎ (→‎Solution 6 (highly braindead))
11:04, 26 September 2024 (diff | hist) . . (+758)‎ . . 2011 AMC 12A Problems/Problem 16 ‎ (→‎See also)
09:41, 13 September 2024 (diff | hist) . . (+46)‎ . . 2023 AMC 12A Problems/Problem 23 ‎ (→‎Solution 3:)
23:05, 12 September 2024 (diff | hist) . . (+2)‎ . . 2023 AMC 12A Problems/Problem 23 ‎ (→‎Solution 3:)
23:04, 12 September 2024 (diff | hist) . . (+48)‎ . . 2023 AMC 12A Problems/Problem 23 ‎ (→‎Solution 3:)
23:03, 12 September 2024 (diff | hist) . . (+13)‎ . . 2023 AMC 12A Problems/Problem 23 ‎ (→‎Solution 3:)
23:01, 12 September 2024 (diff | hist) . . (+161)‎ . . 2023 AMC 12A Problems/Problem 23 ‎ (→‎Solution 3:)
22:55, 12 September 2024 (diff | hist) . . (+470)‎ . . 2023 AMC 12A Problems/Problem 23 ‎ (→‎Solution 3:)
22:36, 12 September 2024 (diff | hist) . . (+21)‎ . . 2023 AMC 12A Problems/Problem 23 ‎
13:37, 29 August 2024 (diff | hist) . . (+42)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
13:28, 29 August 2024 (diff | hist) . . (+22)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
13:24, 29 August 2024 (diff | hist) . . (0)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
13:00, 29 August 2024 (diff | hist) . . (+15)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
12:59, 29 August 2024 (diff | hist) . . (-106)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
12:58, 29 August 2024 (diff | hist) . . (+23)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
12:57, 29 August 2024 (diff | hist) . . (+918)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
12:56, 29 August 2024 (diff | hist) . . (+5)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
12:54, 29 August 2024 (diff | hist) . . (-13)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎Solution 5)
12:53, 29 August 2024 (diff | hist) . . (+2,230)‎ . . 2019 AMC 12B Problems/Problem 25 ‎ (→‎See Also)
22:28, 8 February 2024 (diff | hist) . . (+36)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
17:49, 8 February 2024 (diff | hist) . . (+4)‎ . . 2020 AMC 12A Problems/Problem 24 ‎ (→‎Solution 1(b)) (current)
17:48, 8 February 2024 (diff | hist) . . (+7)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
17:46, 8 February 2024 (diff | hist) . . (0)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
17:45, 8 February 2024 (diff | hist) . . (+2)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
17:44, 8 February 2024 (diff | hist) . . (-1)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
17:43, 8 February 2024 (diff | hist) . . (-99)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
17:12, 8 February 2024 (diff | hist) . . (-4)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
17:11, 8 February 2024 (diff | hist) . . (+813)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
16:03, 8 February 2024 (diff | hist) . . (-2,933)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
16:02, 8 February 2024 (diff | hist) . . (+2,934)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
15:44, 8 February 2024 (diff | hist) . . (-1)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
15:43, 8 February 2024 (diff | hist) . . (+2)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)
15:42, 8 February 2024 (diff | hist) . . (+8)‎ . . 2004 IMO Problems/Problem 5 ‎ (→‎Solution)

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)

Retrieved from "https://artofproblemsolving.com/wiki/index.php/Special:Contributions/Szhangmath"

Art of Problem Solving is an
ACS WASC Accredited School

aops programs

About

Site Info

follow us

Subscribe for news and updates

© 2025 AoPS Incorporated

© 2025 Art of Problem Solving

About Us • Contact Us • Terms • Privacy

Copyright © 2025 Art of Problem Solving

Something appears to not have loaded correctly.

Click to refresh.