回复：应该没有这么复杂。本来题中还有一问，贴题时少贴了：

来源: HF: 于 2009-01-04 10:55:22 [] [旧帖] [给我悄悄话] 阅读数 : (107 bytes)
回答: Try one more time; please ignore my earlier posts 由 HF: 于 2009-01-03 20:55:02

Counter example: let C be the set of positive Transcendental numbers, and A, B split the remaining set.

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