My proof.

来源: 于 2011-08-11 07:25:46 [旧帖] [给我悄悄话] 本文已被阅读：次

There 8 points, more E-L tringles are better,We call A segment if it is 1 unit,or B,

the best case, 14 A,14 B. They construct 56 Trls.AAB or ABB.There no AAA, but in this case B's number is >14, contradiction. At first I think it is possible as 14=14,...