17 October 2022

• curprev 20:3620:36, 17 October 2022 Zsalomon talk contribs 5,768 bytes −15 →See also
• curprev 20:3620:36, 17 October 2022 Zsalomon talk contribs 5,783 bytes +15 →See also

13 October 2022

• curprev 19:2019:20, 13 October 2022 Zsalomon talk contribs 5,768 bytes +16 →See also
• curprev 19:1919:19, 13 October 2022 Zsalomon talk contribs 5,752 bytes −16 →Solution

12 October 2022

• curprev 13:3313:33, 12 October 2022 Vvsss talk contribs 5,768 bytes −4,411 →Solution 2
• curprev 08:0408:04, 12 October 2022 Vvsss talk contribs 10,179 bytes +85 →Solution 2

11 October 2022

• curprev 15:1015:10, 11 October 2022 Vvsss talk contribs 10,094 bytes +755 →Solution 2
• curprev 14:3814:38, 11 October 2022 Vvsss talk contribs 9,339 bytes +1,024 →Solution 2
• curprev 12:0212:02, 11 October 2022 Vvsss talk contribs 8,315 bytes +37 →Solution 2
• curprev 11:5811:58, 11 October 2022 Vvsss talk contribs 8,278 bytes +338 →Solution 2
• curprev 11:5511:55, 11 October 2022 Vvsss talk contribs 7,940 bytes −74 →Solution 2
• curprev 11:3811:38, 11 October 2022 Vvsss talk contribs 8,014 bytes +206 →Solution 2
• curprev 11:2811:28, 11 October 2022 Vvsss talk contribs 7,808 bytes +90 →Solution 2
• curprev 11:1211:12, 11 October 2022 Vvsss talk contribs 7,718 bytes +1,206 →Solution 2
• curprev 10:5910:59, 11 October 2022 Vvsss talk contribs 6,512 bytes +829 →Solution 2

2 October 2022

• curprev 23:5023:50, 2 October 2022 Vvsss talk contribs 5,683 bytes +711 →Solution 2
• curprev 16:3016:30, 2 October 2022 Vvsss talk contribs 4,972 bytes −2 →Solution 2
• curprev 16:2916:29, 2 October 2022 Vvsss talk contribs 4,974 bytes +665 →Solution 2
• curprev 15:2815:28, 2 October 2022 Vvsss talk contribs 4,309 bytes +27 →Solution 2
• curprev 15:2215:22, 2 October 2022 Vvsss talk contribs 4,282 bytes +383 →Solution 2
• curprev 15:1415:14, 2 October 2022 Vvsss talk contribs 3,899 bytes +9 →Solution 2
• curprev 15:0615:06, 2 October 2022 Vvsss talk contribs 3,890 bytes +1,877 →Solution 2
• curprev 14:3214:32, 2 October 2022 Vvsss talk contribs 2,013 bytes +733 →Solution

17 February 2017

• curprev 13:2613:26, 17 February 2017 Yatingliu talk contribs 1,280 bytes +2 →Solution
• curprev 13:2513:25, 17 February 2017 Yatingliu talk contribs 1,278 bytes +37 →Solution
• curprev 13:2413:24, 17 February 2017 Yatingliu talk contribs 1,241 bytes +402 No edit summary

27 April 2016

• curprev 13:3813:38, 27 April 2016 Dli00105 talk contribs 839 bytes +839 Created page with "==Problem== Let <math>\triangle ABC</math> be an acute triangle, and let <math>I_B, I_C,</math> and <math>O</math> denote its <math>B</math>-excenter, <math>C</math>-excenter,..."