User contributions for Chenr28
11 February 2019
5 February 2019
- 09:3809:38, 5 February 2019 diff hist +1 2011 AMC 12B Problems/Problem 20 →Solution 4 (the fastest, easiest, and therefore best way ever)
- 09:3809:38, 5 February 2019 diff hist +29 m 2011 AMC 12B Problems/Problem 20 →Solution 4(Really Really Sketch)
- 09:1209:12, 5 February 2019 diff hist +425 Radius No edit summary
- 08:5608:56, 5 February 2019 diff hist −37 m 2011 AMC 12B Problems/Problem 21 →Short Cut
- 08:5408:54, 5 February 2019 diff hist +22 m 2011 AMC 12B Problems/Problem 21 →Solution
4 February 2019
- 21:3721:37, 4 February 2019 diff hist +55 m Radius No edit summary
- 21:0821:08, 4 February 2019 diff hist 0 Radius No edit summary
- 21:0521:05, 4 February 2019 diff hist +36 m Radius No edit summary
- 01:1001:10, 4 February 2019 diff hist +12 m 2009 AMC 12B Problems/Problem 24 →Better Solution
- 01:0801:08, 4 February 2019 diff hist +171 m 2009 AMC 12B Problems/Problem 24 →Better Solution
- 01:0501:05, 4 February 2019 diff hist +28 m 2009 AMC 12B Problems/Problem 24 →Better Solution