[閒聊] 化工物化...
禁止用計算機orz
上次手算多位數乘除法是什麼時候的事情?
高中吧?
第一次覺得自由能算起來那麼疲勞......大半的時間都花在乘法和除法上面了......
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07/08 19:07, , 1F
07/08 19:07, 1F
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07/08 19:13, , 2F
07/08 19:13, 2F
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07/08 19:15, , 3F
07/08 19:15, 3F
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07/08 19:34, , 4F
07/08 19:34, 4F
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07/08 19:37, , 5F
07/08 19:37, 5F
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07/08 19:48, , 6F
07/08 19:48, 6F
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07/08 20:04, , 7F
07/08 20:04, 7F
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07/08 20:22, , 8F
07/08 20:22, 8F
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07/08 20:25, , 9F
07/08 20:25, 9F
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07/08 20:25, , 10F
07/08 20:25, 10F
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07/08 20:29, , 11F
07/08 20:29, 11F
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07/08 21:42, , 12F
07/08 21:42, 12F
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07/08 23:05, , 13F
07/08 23:05, 13F
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07/09 06:21, , 14F
07/09 06:21, 14F
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07/09 11:31, , 15F
07/09 11:31, 15F
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07/09 21:42, , 16F
07/09 21:42, 16F
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07/09 21:43, , 17F
07/09 21:43, 17F
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07/09 21:54, , 18F
07/09 21:54, 18F