This question is universal if you replace 9 with X and 10 with X+1
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送交者: HunHunSheng 于 2005-8-30, 08:32:08:
回答: 昏昏,你打算90岁后干什么?假定你能活到100岁。 由 Latino2 于 2005-8-29, 17:42:00:
where X ranges from 1 to 9.
所有跟贴:
加跟贴
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