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  #16  
Old 04 ÁÕ¹Ò¤Á 2010, 20:07
¤usÑ¡¤³Ôm's Avatar
¤usÑ¡¤³Ôm ¤usÑ¡¤³Ôm äÁèÍÂÙèã¹Ãкº
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ÍéÒ§ÍÔ§:
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¢ÍµÍºÇèÒ 240 ªèͧ

¢ÍÍÀÑ ⨷ÂìºÍ¡ÇèÒ àÊé¹·á§ÁØÁ 2 àÊé¹ ¡çµéͧµÍº 480 -1 = 479 ªèͧ

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(ÍÂÙè㹺·¤ÇÒÁ¡ÃÐàº×éͧ my math ¤ÃѺ)
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #17  
Old 10 ÁÕ¹Ò¤Á 2010, 10:58
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ÍéÒ§ÍÔ§:
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µ¡Å§ÇèÒ àÊè¹·á§ÁØÁµÑ´¡Õèªèͧ¤ÃѺ
480 ¤ÃѺ (µÍºªéÒ˹è͹ФÃѺ à¾ÃÒÐäÁè¤èÍÂä´éà¢éÒÁÒ)

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¼Á¡çä´é 479 ªèͧ¤ÃѺ

(ÍÂÙè㹺·¤ÇÒÁ¡ÃÐàº×éͧ my math ¤ÃѺ)
à©ÅÂÍÒ¨¼Ô´¡çä´é¤ÃѺ
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10 ÁÕ¹Ò¤Á 2010 11:34 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ nongtum
à˵ؼÅ: double post
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  #18  
Old 10 ÁÕ¹Ò¤Á 2010, 18:21
¤¹ÍÂÒ¡à¡è§'s Avatar
¤¹ÍÂÒ¡à¡è§ ¤¹ÍÂÒ¡à¡è§ äÁèÍÂÙèã¹Ãкº
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ banker View Post
$2^{24}=16777215+y$

$2^{24}=2^{24} -1+y$

$y=1$

$((y-1)*12345678987654321)= ((1-1)*12345678987654321) = 0 $
¢Íâ·É ¹Ð¤ÃѺ
$¤Ø³ banker ´Ù »Ø» ÃÙé »Ñ»àÅÂËÃͤÃѺ ÇèÒ2^{24}-1$

10 ÁÕ¹Ò¤Á 2010 18:22 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ ¤¹ÍÂÒ¡à¡è§
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #19  
Old 10 ÁÕ¹Ò¤Á 2010, 19:02
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·èÒ¹ banker äÁèÁҵͺ¼ÁµÍºá·¹ãËé¤ÃѺ ¤ÓµÍº¤×Íãªè¤ÃѺ à¾ÃÒзèÒ¹à»ç¹à«Õ¹+à·¾ ÃÙé·Ø¡àÃ×èͧ¤ÃѺ ©ÒÂҢͧ·èÒ¹¤×Íà«Õ¹+à·¾ 360 ͧÈÒ
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  #20  
Old 10 ÁÕ¹Ò¤Á 2010, 21:06
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áÅзÕèÊӤѭ à¢Òä´éµÍº ⨷ÂìÊØ´ËÔ¹ ·ÓãËéà¢Òà»ç¹ à·¾áË觤³ÔµÈÒʵÃì 720 ͧÈÒàŤÃѺ
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  #21  
Old 11 ÁÕ¹Ò¤Á 2010, 11:31
banker banker äÁèÍÂÙèã¹Ãкº
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$¤Ø³ banker ´Ù »Ø» ÃÙé »Ñ»àÅÂËÃͤÃѺ ÇèÒ2^{24}-1$

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(áµè¡çÍÂèÒãËéÁÒ¡¨¹·èÇÁËÑÇ àÍÒµÑÇäÁèÃÍ´)

11 ÁÕ¹Ò¤Á 2010 12:00 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ banker
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  #22  
Old 11 ÁÕ¹Ò¤Á 2010, 22:47
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ ¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ View Post
480 ¤ÃѺ (µÍºªéÒ˹è͹ФÃѺ à¾ÃÒÐäÁè¤èÍÂä´éà¢éÒÁÒ)

Êèǹ -2 -3 ¹Ñé¹ÅͧÅÒ¡´Ù¹Ð¤ÃѺààÅéǨÐà¢éÒ㨠(àà¹ÐãËéãªé¡ÃдÒÉÊÁØ´)

àªè¹ ÅͧÅÒ¡àÊé¹·àà§ÁØÁ¢Í§ÊÕèàËÅÕèÂÁ¢¹Ò´ 1*10 ªèͧ´ÙààÅéǹѺ¹Ð¤ÃѺ

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á¹Ç¤Ô´ áºè§¤ÃÖè§ä»àÃ×èÍÂæ ¨¹ä´é˹èÇÂàÅç¡ÊØ´à»ç¹µÒÃÒ§¢¹Ò´ 7 x 9 áÅéǹÓÁҹѺä´é 15 ªèͧ

(¨ÐãªéÇÔ¸ÕÇÒ´ÃÙ»ËÃ×ÍãªéÊÒÁàËÅÕèÂÁ¤ÅéÒ¡çä´é) áÅéÇàÍÒ (15 x 8) áÅéǤٳ 4 ä´é 480 ªèͧ¤ÃѺ

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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #23  
Old 05 àÁÉÒ¹ 2010, 20:44
¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ's Avatar
¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ ¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ äÁèÍÂÙèã¹Ãкº
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¢Íº¤Ø³ÁÒ¡¤Ñº ¤Ø³Puriwatt
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  #24  
Old 08 àÁÉÒ¹ 2010, 20:17
¡ÃкÕèäÃé¤Á's Avatar
¡ÃкÕèäÃé¤Á ¡ÃкÕèäÃé¤Á äÁèÍÂÙèã¹Ãкº
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ÍéÒ§ÍÔ§:
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´Ù»ØêºäÁèÃÙéËÃÍ¡¤ÃѺ

áµè¨Ò¡¡Òüèҹ⨷ÂìºèÍÂæ

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⨷Âì¹Ñé¹à»ç¹àÅ¢ 1677... ÍÂÙèã¹à¤Ã×èͧËÁÒÂÃÙé·Êͧ

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  #25  
Old 09 àÁÉÒ¹ 2010, 16:03
¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ's Avatar
¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ ¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ äÁèÍÂÙèã¹Ãкº
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sin1 à·èҡѺà·èÒääÃѺ (ÍÂÒ¡ÃÙéÁÒ¡¡¡¡¤ÃѺ)
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¤ÇÒÁàÊÕ觷Õè¹èÒ¡ÅÑÇ·ÕèÊØ´äÁèãªè¡ÒáéÒÇ仢éҧ˹éÒààµè¤×Í¡ÒÃËÂØ´ÍÂÙè¡Ñº·Õè
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  #26  
Old 09 àÁÉÒ¹ 2010, 16:18
Siren-Of-Step's Avatar
Siren-Of-Step Siren-Of-Step äÁèÍÂÙèã¹Ãкº
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$cos 89$ Co - function
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #27  
Old 09 àÁÉÒ¹ 2010, 19:29
¤usÑ¡¤³Ôm's Avatar
¤usÑ¡¤³Ôm ¤usÑ¡¤³Ôm äÁèÍÂÙèã¹Ãкº
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ ¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ View Post
sin1 à·èҡѺà·èÒääÃѺ (ÍÂÒ¡ÃÙéÁÒ¡¡¡¡¤ÃѺ)
ËÒÃÙ»»Ô´äÁèä´é¤ÃѺ

·ÕèËÒÃÙ»»Ô´ä´é ¤èҢͧÁØÁ 0, 3, 6, 9, ... , 3n
áµè¤èÒ»ÃÐÁÒ³ËÒä´é¨Ò¡Í¹Ø¡ÃÁ͹ѹµì $cos x = 1 - x^2/2! + x^4/4! - ... .$(xà»ç¹rad)
´Ñ§¹Ñé¹ $cos (\pi/180) = 1 - (\pi/180)^2/2! + (\pi/180)^4/4! - ....$
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09 àÁÉÒ¹ 2010 19:30 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ ¤usÑ¡¤³Ôm
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #28  
Old 10 àÁÉÒ¹ 2010, 18:51
¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ's Avatar
¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ ¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ äÁèÍÂÙèã¹Ãкº
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àËç¹à¤éҺ͡¡Ñ¹ÇèÒãªéÇԸբͧ¾ÅÒâµàÅÁÕÍèФÃѺ

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  #29  
Old 10 àÁÉÒ¹ 2010, 19:13
¤usÑ¡¤³Ôm's Avatar
¤usÑ¡¤³Ôm ¤usÑ¡¤³Ôm äÁèÍÂÙèã¹Ãкº
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ÍéÒ§ÍÔ§:
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #30  
Old 10 àÁÉÒ¹ 2010, 20:15
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ËÁÒ¶֧ Ptolemy's Theorem (·º.à¡ÕèÂǡѺǧ¡ÅÁ) ÃÖ»èÒÇ
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10 àÁÉÒ¹ 2010 20:16 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ ¹Ñ¡Ê׺ÍѨ©ÃÔÂÐ
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