#1
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¤èҢͧ (Ö2+1)^6-(Ö2+1)^6 ËÃ×Í (ÃÙ´Êͧ¢Í§Êͧ+˹Öè§)¡¡ÓÅѧˡ-(ÃÙ´Êͧ¢Í§Êͧ+˹Öè§)¡¡ÓÅѧˡ ÁÕ¤èÒà·èÒäÃ
¹Õèªé͹ФѺ ¡.120Ö2 ¢.130Ö2 ¤.140Ö2 §.150Ö2 ªèǤԴ˹è͹ФѺ ¤Ô´äÁèÍÍ¡ §§ [¢Íº¤Ø³¤Ñº]
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#2
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0
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âÅ¡¹ÕéÁÕ¤¹ÍÂÙè 10 »ÃÐàÀ· ¤×Í ¤¹·Õèà¢éÒã¨àÅ¢°Ò¹Êͧ áÅФ¹·ÕèäÁèà¢éÒ㨠|
#3
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µÍº 0 äÁèãªèàËÃͤÃѺ ÎÐ ÎÐ
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¤ÇÒÁ¾ÂÒÂÒÁáÅÐÍ´·¹ à»ç¹¤Ø³ÊÁºÑµÔ˹Ö觢ͧ¹Ñ¡¤³ÔµÈÒʵÃì...... ´Ù¼Á¨Ô ¼Á¾ÂÒÂÒÁ ËÒÊٵ÷ÑèÇä»ã¹¡ÒÃËÒÃÒ¡¢Í§ÊÁ¡ÒáÓÅѧ 5 ÍÂÙè¤ÃÖè§»Õ ÂѧäÁèä´éàŤѺ Î×Íææææ |
#4
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ʧÊѨоÔÁ¾ì⨷Âì¼Ô´ --> ⨷Âì¹èÒ¨Ðà»ç¹ $(\sqrt{2}+1)^6-(\sqrt{2}-1)^6$
«Öè§ÁÕ¤èÒà·èҡѺ $140\sqrt{2}$ ¹Ð¤ÃѺ |
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