[數撚圍爐區] 0.999...=1 (中大) (52)
桐谷直葉
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kai龍(苗撚)
2021-10-03 00:08:29
kai龍(苗撚)
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kai龍(苗撚)
2021-10-03 08:19:48
kai龍(苗撚)
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kai龍(苗撚)
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kai龍(苗撚)
2021-10-03 12:59:31
人生幾何.
2021-10-03 13:48:27
