
[代數] 想請教大家

想請教大家第四題的算法,思考已久但是總沒有頭緒,謝謝。
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推
04/30 00:33, , 1F
04/30 00:33, 1F
→
04/30 00:34, , 2F
04/30 00:34, 2F
→
04/30 00:34, , 3F
04/30 00:34, 3F
→
04/30 00:40, , 4F
04/30 00:40, 4F
→
04/30 00:41, , 5F
04/30 00:41, 5F
→
04/30 00:42, , 6F
04/30 00:42, 6F
→
04/30 00:42, , 7F
04/30 00:42, 7F
→
04/30 00:44, , 8F
04/30 00:44, 8F
推
04/30 05:35, , 9F
04/30 05:35, 9F