User contributions for 121.220.0.0/16
Results for 121.220.0.0/16 block log
26 May 2013
- 08:2008:20, 26 May 2013 diff hist +2,321 N Apollonius' theorem 121.220.76.248 talk Corrected an error. Reduces to Pythag theorem in case of right-angled triangle, not isoceles.