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Feb 23 at 10:27 comment added SSS how to get line (3),(s+t) should be greater than 1 right???
Apr 13, 2017 at 12:21 history edited CommunityBot
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/
Sep 1, 2015 at 20:01 history edited Olivier Oloa CC BY-SA 3.0
added 20 characters in body
Sep 1, 2015 at 17:54 vote accept Lucian
Sep 1, 2015 at 1:29 history answered Olivier Oloa CC BY-SA 3.0