回复：Don't understand Problem 6

来源: botong 于 2009-07-24 12:59:16 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (79 bytes)
本帖于 2009-07-28 16:38:03 时间, 由普通用户 康MM 编辑
回答: IMO 2009 由 康MM 于 2009-07-24 03:51:50

M is given set which contains n-1 points, but no one is equal to a_1 + ...+ a_n

所有跟帖： 

• That makes sense. Thanks. -dayuwang- ♂ 给 dayuwang 发送悄悄话 (0 bytes) () 07/24/2009 postreply 16:25:42

• Where do you see that M is a given set with n-1 points? -Noneandnone- ♂ 给 Noneandnone 发送悄悄话 (0 bytes) () 07/24/2009 postreply 18:32:58

• 康MM把这条件去掉了：） -botong- ♂ 给 botong 发送悄悄话 botong 的博客首页 (78 bytes) () 07/24/2009 postreply 19:16:06

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