22 April 2020

• curprev 11:2311:23, 22 April 2020 Fortytwok talk contribs 814 bytes +6 →Solution
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• curprev 11:1911:19, 22 April 2020 Fortytwok talk contribs 866 bytes +193 No edit summary
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8 April 2020

• curprev 23:2823:28, 8 April 2020 Bayar114 talk contribs 694 bytes −258 →Solution
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4 April 2020

• curprev 18:3118:31, 4 April 2020 Varun aops talk contribs 953 bytes −1 →Solution

13 March 2020

• curprev 18:1318:13, 13 March 2020 Diyap10 talk contribs 954 bytes −185 →Problem

25 January 2020

• curprev 23:4523:45, 25 January 2020 Rayfish talk contribs m 1,139 bytes 0 No edit summary

1 September 2019

• curprev 13:3813:38, 1 September 2019 Heidinet talk contribs 1,139 bytes +3 →Problem

1 April 2017

• curprev 19:4819:48, 1 April 2017 Xiej talk contribs 1,136 bytes +125 No edit summary

23 June 2016

• curprev 18:0118:01, 23 June 2016 Hiabc talk contribs 1,011 bytes +1,011 Created page with "== Problem == A running track is the ring formed by two concentric circles. It is <math>10</math> feet wide. The circumference of the two circles differ by about: <math>\te..."