送交者: Nixrreg 于 2007-07-07, 09:26:14:

回答: 也说数学有无用 由 home 于 2007-07-07, 01:17:03:

• do you know what "肯定" represents? I should be used this way: - 008 (51 bytes) 2007-07-07, 11:12:02 (151965)
• Eddie是数学家? Anyone who has sense of math knows Undecidable problem. - steven (32 bytes) 2007-07-07, 09:37:06 (151961)

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