# User contributions

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- 11:25, 26 April 2022
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**(+911)** . . 2019 AMC 8 Problems/Problem 25 (current) - 19:32, 28 December 2021 (diff | hist) . . (+3) . . 2011 AMC 8 Problems (Undo revision 168600 by Ddhh2020 (talk)) (Tag: Undo)
- 19:31, 28 December 2021 (diff | hist) . . (+1) . . 2011 AMC 8 Problems/Problem 1 (Undo revision 168601 by Ddhh2020 (talk)) (current) (Tag: Undo)
- 19:30, 28 December 2021 (diff | hist) . . (-1) . . 2011 AMC 8 Problems/Problem 1 (Undo revision 168602 by Ddhh2020 (talk)) (Tag: Undo)
- 01:31, 23 November 2021
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**(+1,609)** . . N 2021 Fall AMC 10B Problems/Problem 22 (Created page with "==Problem== For each integer <math> n\geq 2 </math>, let <math> S_n </math> be the sum of all products <math> jk </math>, where <math> j </math> and <math> k </math> are integ...") - 19:29, 31 October 2021 (diff | hist) . . (+9) . . m 2021 AMC 10B Problems/Problem 18 (→Solution 5) (current)
- 18:22, 30 April 2021 (diff | hist) . . (+1) . . m User:Borealbear (current)
- 20:05, 27 April 2021 (diff | hist) . . (+236) . . Legendre's Formula
- 20:17, 23 April 2021 (diff | hist) . . (+12) . . m Euler's Totient Theorem Problem 1 Solution (current)
- 20:17, 23 April 2021 (diff | hist) . . (+12) . . m Euler's Totient Theorem Problem 2 Solution (current)
- 19:23, 23 April 2021
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**(+788)** . . N Euler's Totient Theorem Problem 2 Solution (Created page with "==Problem== (BorealBear) Find the last two digits of <math> 3^{3^{3^{3}}} </math>. ==Solution== This problem is just asking for <math> 3^{3^{3^{3}}}\pmod{100} </math>. We ca...") - 14:23, 23 April 2021 (diff | hist) . . (+256) . . N Euler's Totient Theorem Problem 1 Solution (Created page with "==Problem== (BorealBear) Find the last two digits of <math> 7^{81}-3^{81} </math>. ==Solution== This is a direct application of Euler's Totient Theorem. Since <math> \phi(10...")
- 14:12, 23 April 2021 (diff | hist) . . (0) . . Euler's Totient Theorem (→Introductory)
- 13:22, 23 April 2021 (diff | hist) . . (+4) . . Euler's Totient Theorem (→Introductory)
- 13:17, 23 April 2021 (diff | hist) . . (+109) . . Euler's Totient Theorem (→Introductory)
- 13:16, 23 April 2021 (diff | hist) . . (+428) . . Euler's Totient Theorem
- 13:10, 23 April 2021 (diff | hist) . . (+159) . . Euler's Totient Theorem
- 16:27, 22 April 2021 (diff | hist) . . (0) . . N User talk:Borealbear (Created blank page) (current)
- 16:26, 22 April 2021 (diff | hist) . . (+4) . . m User:Borealbear
- 16:26, 22 April 2021 (diff | hist) . . (+6) . . User:Borealbear (Can I stop hitting the "Save Changes" button instead of the "Show Preview" button?)
- 16:25, 22 April 2021 (diff | hist) . . (+55) . . User:Borealbear
- 16:24, 22 April 2021 (diff | hist) . . (+7) . . User:Borealbear
- 16:23, 22 April 2021
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**(+706)** . . User:Borealbear - 16:10, 22 April 2021 (diff | hist) . . (+4) . . m Euler's Totient Theorem
- 16:06, 22 April 2021 (diff | hist) . . (+176) . . Euler's Totient Theorem
- 15:36, 22 April 2021 (diff | hist) . . (0) . . m Trivial Inequality (Moved first problem to the end)
- 15:35, 22 April 2021 (diff | hist) . . (+77) . . Trivial Inequality
- 22:51, 25 March 2021 (diff | hist) . . (+9) . . User:Borealbear
- 12:20, 25 March 2021 (diff | hist) . . (-11) . . m 2021 AIME I Problems/Problem 5
- 12:18, 25 March 2021 (diff | hist) . . (+42) . . m 2021 AIME I Problems/Problem 5
- 12:13, 25 March 2021 (diff | hist) . . (+1) . . m 2021 AIME I Problems/Problem 5
- 17:35, 11 March 2021 (diff | hist) . . (+12) . . m 2021 AIME I Problems/Problem 5 (→Solution 1)
- 17:35, 11 March 2021
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**(+1,352)** . . 2021 AIME I Problems/Problem 5 (→Solution) - 12:33, 6 March 2021
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**(+12,280)** . . Gmaasology (Undo revision 148703 by Sigmapie (talk)) (Tag: Undo) - 12:29, 28 February 2021 (diff | hist) . . (+332) . . 2018 AMC 10A Problems/Problem 18 (Undo revision 147199 by Whitewolf (talk)) (Tag: Undo)
- 18:12, 12 February 2021 (diff | hist) . . (+4) . . m 2021 AMC 10B Problems/Problem 18 (→Solution 5)
- 18:11, 12 February 2021
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**(+900)** . . 2021 AMC 10B Problems/Problem 18 - 18:54, 31 December 2020 (diff | hist) . . (-124) . . User:Borealbear (Blanked the page) (Tag: Blanking)
- 18:42, 31 December 2020 (diff | hist) . . (0) . . 2015 AMC 8 Problems/Problem 19 (→Solution 6 (Heron's Formula, Not Recommended))
- 18:42, 31 December 2020 (diff | hist) . . (+4) . . 2015 AMC 8 Problems/Problem 19 (→Solution 6 (Heron's Formula, Not Recommended))
- 18:42, 31 December 2020 (diff | hist) . . (+4) . . 2015 AMC 8 Problems/Problem 19 (→Solution 6 (Heron's Formula, Not Recommended))
- 18:39, 31 December 2020
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**(+1,202)** . . 2015 AMC 8 Problems/Problem 19 - 18:15, 31 December 2020 (diff | hist) . . (0) . . 2020 AMC 10A Problems/Problem 8
- 18:14, 31 December 2020 (diff | hist) . . (+1) . . 2020 AMC 10A Problems/Problem 8
- 18:13, 31 December 2020 (diff | hist) . . (+481) . . 2020 AMC 10A Problems/Problem 8
- 15:52, 20 June 2020 (diff | hist) . . (+213) . . User talk:Piphi/Chess/Game 1 (→Game #1 Discussion)
- 15:51, 20 June 2020 (diff | hist) . . (0) . . m User:Piphi/Chess/Game 1 (→Game #1 piphi v BorealBear)
- 14:54, 19 June 2020 (diff | hist) . . (+124) . . User talk:Piphi/Chess/Game 1 (→Game #1 Discussion)
- 14:54, 19 June 2020 (diff | hist) . . (0) . . User:Piphi/Chess/Game 1 (→Game #1 piphi v BorealBear)
- 20:51, 13 June 2020 (diff | hist) . . (+132) . . User talk:Piphi/Chess/Game 1 (→Game #1 Discussion)

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