22 July 2025

• curprev 15:4815:48, 22 July 2025 Johnadams1800 talk contribs 11,738 bytes +86 →Solution 1 (Euler's formula and Substitution): Fixed.

29 January 2025

• curprev 15:1615:16, 29 January 2025 Usacleverturtle talk contribs 11,652 bytes +1 →Solution 4
• curprev 15:1615:16, 29 January 2025 Usacleverturtle talk contribs 11,651 bytes +1 →Solution 3 (Pretty easy, no hard stuff, just watch ur arithmetic) :)

12 January 2024

• curprev 19:1519:15, 12 January 2024 Luckyokxiao talk contribs 11,650 bytes +2 →Solution 3 (Pretty easy, no hard stuff, just watch ur arithmetic)
• curprev 18:3918:39, 12 January 2024 Luckyokxiao talk contribs 11,648 bytes −2 →Solution 3 (Pretty easy, no hard stuff, just watch ur arithmetic) :)
• curprev 18:3918:39, 12 January 2024 Luckyokxiao talk contribs 11,650 bytes +3 →Solution 3 (Pretty easy, no hard stuff, just watch ur arithmetic)

17 September 2023

• curprev 18:0518:05, 17 September 2023 Sirappel talk contribs 11,647 bytes 0 →Solution 9 (A Little Rigorous, but Straightforward and Easy)
• curprev 18:0518:05, 17 September 2023 Sirappel talk contribs 11,647 bytes +18 →Solution 9 (Rigorous, but Straightforward)
• curprev 18:0418:04, 17 September 2023 Sirappel talk contribs 11,629 bytes +736 →Solution 8

4 February 2023

• curprev 18:5218:52, 4 February 2023 Ryanjwang talk contribs m 10,893 bytes −9 →Solution 6

28 March 2022

• curprev 13:0413:04, 28 March 2022 First talk contribs 10,902 bytes +8 →Solution 1 (Euler's formula and Substitution)
• curprev 13:0313:03, 28 March 2022 First talk contribs 10,894 bytes +2 →Problem
• curprev 13:0313:03, 28 March 2022 First talk contribs 10,892 bytes +1,134 No edit summary

24 August 2021

• curprev 14:0814:08, 24 August 2021 Jdong2006 talk contribs 9,758 bytes +20 →Solution 2(Pretty easy, no hard stuff, just watch ur arithmetic)

6 March 2021

• curprev 03:5603:56, 6 March 2021 Jske25 talk contribs 9,738 bytes −2 →Solution 3
• curprev 03:5503:55, 6 March 2021 Jske25 talk contribs m 9,740 bytes +275 No edit summary

23 August 2020

• curprev 19:3219:32, 23 August 2020 Jbala talk contribs 9,465 bytes +13 No edit summary

24 May 2020

• curprev 13:4713:47, 24 May 2020 Bobsonjoe talk contribs m 9,452 bytes −1 →Solution 1

21 March 2020

• curprev 09:4709:47, 21 March 2020 Badger48 talk contribs m 9,453 bytes 0 →Solution 7
• curprev 09:4609:46, 21 March 2020 Badger48 talk contribs m 9,453 bytes 0 →Solution 5 (Based on advanced mathematical knowledge)
• curprev 09:4609:46, 21 March 2020 Badger48 talk contribs m 9,453 bytes 0 →Solution 4
• curprev 09:4609:46, 21 March 2020 Badger48 talk contribs m 9,453 bytes 0 →Solution 3

7 March 2020

• curprev 22:4022:40, 7 March 2020 Thanosaops talk contribs 9,453 bytes +718 →Solution 2 ( Pretty easy, no hard stuff, just watch ur arithmetic)
• curprev 22:3222:32, 7 March 2020 Thanosaops talk contribs 8,735 bytes +1 →Solution 1

28 December 2019

• curprev 17:5717:57, 28 December 2019 Airplane50 talk contribs 8,734 bytes −13 →Solution 4

23 December 2019

• curprev 23:1023:10, 23 December 2019 Airplane50 talk contribs 8,747 bytes +1 →Solution 4

12 October 2019

• curprev 11:0011:00, 12 October 2019 Baker77 talk contribs 8,746 bytes −1 No edit summary
• curprev 11:0011:00, 12 October 2019 Baker77 talk contribs 8,747 bytes −2 No edit summary
• curprev 11:0011:00, 12 October 2019 Baker77 talk contribs 8,749 bytes −2 No edit summary

23 February 2019

• curprev 22:2622:26, 23 February 2019 Davidaops talk contribs m 8,751 bytes +3 →Solution 2

24 December 2018

• curprev 17:0617:06, 24 December 2018 Rootthreeovertwo talk contribs 8,748 bytes +725 No edit summary

10 October 2018

• curprev 22:4822:48, 10 October 2018 Fanyuchen20020715 talk contribs 8,023 bytes −6 →Solution 5 (Based on advanced mathematical knowledge)

7 October 2018

• curprev 02:1102:11, 7 October 2018 Fanyuchen20020715 talk contribs 8,029 bytes −2 →Solution 5 (Based on advanced mathematical knowledge)
• curprev 01:5701:57, 7 October 2018 Fanyuchen20020715 talk contribs 8,031 bytes +80 →Solution 5 (Use advanced knowledge)
• curprev 01:5401:54, 7 October 2018 Fanyuchen20020715 talk contribs 7,951 bytes +1,652 →Solution 4

6 August 2018

• curprev 21:2521:25, 6 August 2018 Airplane50 talk contribs 6,299 bytes +13 No edit summary

4 July 2018

• curprev 22:4322:43, 4 July 2018 Airplane50 talk contribs 6,286 bytes +1,384 Solution 4

13 May 2018

• curprev 16:2316:23, 13 May 2018 P groudon talk contribs 4,902 bytes 0 No edit summary

12 April 2018

• curprev 18:0518:05, 12 April 2018 Coolgeo talk contribs 4,902 bytes +15 →Solution 3
• curprev 18:0118:01, 12 April 2018 Coolgeo talk contribs 4,887 bytes +1 →Solution 3
• curprev 17:5917:59, 12 April 2018 Coolgeo talk contribs 4,886 bytes +1,339 →Solution 3
• curprev 17:1117:11, 12 April 2018 Coolgeo talk contribs 3,547 bytes +30 →Solution 3
• curprev 17:1017:10, 12 April 2018 Coolgeo talk contribs 3,517 bytes +141 →Solution 3
• curprev 17:0817:08, 12 April 2018 Coolgeo talk contribs 3,376 bytes +270 →Solution 3
• curprev 17:0317:03, 12 April 2018 Coolgeo talk contribs 3,106 bytes +62 →Solution 3
• curprev 17:0117:01, 12 April 2018 Coolgeo talk contribs 3,044 bytes +177 →Solution 3
• curprev 16:5716:57, 12 April 2018 Coolgeo talk contribs 2,867 bytes +190 →Solution 2
• curprev 16:3416:34, 12 April 2018 Coolgeo talk contribs 2,677 bytes −13 →Problem
• curprev 16:3316:33, 12 April 2018 Coolgeo talk contribs 2,690 bytes +13 →Problem

25 March 2018

• curprev 03:0503:05, 25 March 2018 Scientest talk contribs 2,677 bytes +11 →Solution 2