
[理工] 台大104資工 數學

大家好
這題的解答看不太懂
請問藍筆劃線那兩行是什麼意思
謝謝
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推
12/21 07:36, , 1F
12/21 07:36, 1F
→
12/21 07:37, , 2F
12/21 07:37, 2F
→
12/21 07:38, , 3F
12/21 07:38, 3F
→
12/21 07:38, , 4F
12/21 07:38, 4F
→
12/21 07:48, , 5F
12/21 07:48, 5F
推
12/21 08:49, , 6F
12/21 08:49, 6F

推
12/21 11:31, , 7F
12/21 11:31, 7F
→
12/21 11:34, , 8F
12/21 11:34, 8F
→
12/21 11:44, , 9F
12/21 11:44, 9F
推
12/21 11:57, , 10F
12/21 11:57, 10F
→
12/21 11:58, , 11F
12/21 11:58, 11F
→
12/21 13:41, , 12F
12/21 13:41, 12F
→
12/21 14:00, , 13F
12/21 14:00, 13F
→
12/21 14:00, , 14F
12/21 14:00, 14F
→
12/21 14:07, , 15F
12/21 14:07, 15F
→
12/21 14:22, , 16F
12/21 14:22, 16F
→
12/21 16:51, , 17F
12/21 16:51, 17F
→
12/21 16:52, , 18F
12/21 16:52, 18F
→
12/21 16:54, , 19F
12/21 16:54, 19F
→
12/21 16:54, , 20F
12/21 16:54, 20F
→
12/21 19:05, , 21F
12/21 19:05, 21F
→
12/21 19:27, , 22F
12/21 19:27, 22F
→
12/21 19:28, , 23F
12/21 19:28, 23F
→
12/21 21:14, , 24F
12/21 21:14, 24F
→
12/21 21:21, , 25F
12/21 21:21, 25F
→
12/21 21:22, , 26F
12/21 21:22, 26F
→
12/22 06:22, , 27F
12/22 06:22, 27F
→
12/22 06:22, , 28F
12/22 06:22, 28F
→
12/22 11:04, , 29F
12/22 11:04, 29F
→
12/22 11:04, , 30F
12/22 11:04, 30F
→
12/22 13:34, , 31F
12/22 13:34, 31F
→
12/22 13:34, , 32F
12/22 13:34, 32F

→
12/22 13:35, , 33F
12/22 13:35, 33F
→
12/22 13:44, , 34F
12/22 13:44, 34F
→
12/22 14:09, , 35F
12/22 14:09, 35F
→
12/22 14:09, , 36F
12/22 14:09, 36F
→
12/23 06:39, , 37F
12/23 06:39, 37F