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對直觀想法的簡潔而嚴格證明,讚!
-kde235-
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11/23/2023 postreply
06:15:43
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對直觀想法的簡潔而嚴格證明,讚!嚴謹而簡潔,非常棒!
-大醬風度-
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11/23/2023 postreply
12:21:13
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第一個<=號,應該是嚴格的<。
-15少-
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11/23/2023 postreply
12:17:45
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