
離散 和算子

小弟有2個疑問,求大家幫忙解惑
http://i.imgur.com/QN1C6lF.jpg

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推
06/14 00:05, , 1F
06/14 00:05, 1F
→
06/14 00:07, , 2F
06/14 00:07, 2F
→
06/14 00:08, , 3F
06/14 00:08, 3F
→
06/14 00:08, , 4F
06/14 00:08, 4F