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frog Just can't stay away
µù¥U¤é: 2006-02-28 µoªí¼Æ: 114
| 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | ³o¤@ÃDµ´¤j¦h¼Æªº¤H³£¥þ³¡®i¶}¦Apºâ,¯u¬O¨ØªA¦o̪º«i®ð. µù:¥|§Þ¬O°ª¤u©Î°ªÂ¾²¦·~©Ò¦Òªº¾Ç´ú,¥|§Þ²¦·~¤]¬O¾Ç¤h,§Y¨ã¦³¤j¾Ç¤å¾Ì
1^2-2^2+3^2-4^2+5^2-6^2+......-20^2+21^2=? |
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2006-05-21 22:54 | |
s87009812 Just can't stay away
µù¥U¤é: 2004-07-25 µoªí¼Æ: 132 ¥x¥_¥«¥ß´º¬ü°ê¤¤
| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | 즡 =(1+2)(1-2)+(3+4)(3-4)+(5+6)(5-6)+...+(19+20)(19-20)+21^2 =-(1+2+3+...+20)+21^2 =-210+441=231
®i¶}ºâ? ¤£·|§a... ¨º·|ºâ¨ìÀY¸£Ãz¬µªº...= = _________________ ·Qn±o¨ì¤°»ò,´N¥²¶·¥I¥X¬Û¦Pªº¥N»ù...³o´N¬O·Òª÷³N¤¤©Ò»¡ªº"µ¥»ù¥æ´«ì«h".
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2006-05-21 23:01 | |
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| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | 즡 =1+(3+2)(3-2)+(5+4)(5-4)+...+(19+18)(19-18)+(21+20)(21-20) =1+2+3+...+20+21 =231
more beautiful |
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2006-05-21 23:28 | |
frog Just can't stay away
µù¥U¤é: 2006-02-28 µoªí¼Æ: 114
| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | ¥|§ÞÁp©Û¬Û·í©ó°ª¤u»P°ªÂ¾²¦·~¥Íªº¤j¾ÇÁp¦Ò ¦ý¨C¦~¥hºÊ¦Ò,Á`·|¥O¥»¤H·P´n¸U¤À ´N¥H¤j¾Ç°Ó¬ì¾Ç¥Í³Ì«nªº^¤å»P¼Æ¾Ç¨Ó»¡ ¨C¦¸µo¤U¦Ò¨÷,¤£¨ì¥b¤p®É,´N¦Ü¤Ö¦³¤T¤À¤§¤Gªº¾Ç¥Í¤w¸g²q§¹(³£¬O¿ï¾ÜÃD),¦]¬°n50¤ÀÄÁ¤~¥i¥æ¨÷,©Ò¥H¤j³¡¤Àªº¾Ç¥Í´NwµÛºÎıµ¥¥æ¨÷,¬Æ¦Ü¨C¦~§¡·|µo¥Í¦]ºÎı¦Ó¦Ã·lµª®×¥dªº¨Æ¥ó,¦Ü©ó¬O¦p¦ó¦Ã·lªº,½Ðµo´§§A̪º·Q¹³¤O ³o¨Ç^¤å»P¼Æ¾Ç³£©ñ±óªº¾Ç¥Í,¹ê¦b«ÜÃø·Q¹³¥LÌn¦p¦ó©À¤j¾Ç©O? |
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2006-05-21 23:49 | |
aa963854116 Home away from home
µù¥U¤é: 2006-01-06 µoªí¼Æ: 392 ±q¥¼µo²{¤§89¸¹¬P®y
| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | ³oÓ¸ò«C¤Ö¦~«°¥«¬×¥h¦~ªºÃD¥Ø«Ü¹³... |
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2006-05-23 21:00 | |
linian Home away from home
µù¥U¤é: 2005-11-07 µoªí¼Æ: 292
| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | «Ü¦hÃD¥Ø³£Ãþ¦ü§a
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2006-05-23 22:01 | |
j7631103 Home away from home
µù¥U¤é: 2005-03-06 µoªí¼Æ: 490
| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | ³oÃD¤p¾Ç´N¥i¥Hºâ¥X¤F,¤p¾Ç°µªk¦X¨Ö-2^2+3^2=2+3 ¤j·§¬O³o¼Ë |
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2006-06-02 20:18 | |
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| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | ·íµM¥i¥H ¤£¨£±o¤@qn¼Æ¾Ç©M^¤å¦n¤~¯àŪ¤j¾Ç
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2006-06-03 14:29 | |
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| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | ¤£¬O¤£®h ¬O«D±`¤£®h §A«çª¾¹D¾ã¤Ñw¦b®à¤Wµ¥©ñ¾Ç ¨Ó¾Ç®Õªº¥Øªº¬O©ñ¾Çªº¾Ç¥Í ¦b§O¤H²´¸Ì¬O¦h»òªº°Q¹½ ®ö¶O°ê®a¸g¶O.®ö¶O³¹.°ê®aªº±ÑÃþ.¥@¬Éªº¤H´í.¦t©zªº¦ÌÂÎ ·Q·Q¬Ý§A¬O¤£¬O¨ä¤@ |
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2006-06-04 02:23 | |
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| Re: 95¾Ç¦~«×¥|§Þ¤G±M¦ÒÃD | | §Ú«Ü°ª¿³²×©ó¦³¤H¤F¸Ñ¾Ç²ßªººë¯«
1.§Ú¬O¤£¬O¨ä¤¤¤§¤@ ¬Oªº,§Ú´N¬O¨ºÓÅý¤H¤£®hªº¦ÌÂÎ,ÁÙ¦n§Ú®ö¶Oªº¬O¬ü°ê¬F©²ªº¿ú.
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2.¦P¼Ë±¡§Îµo¥Í¦b¤¤¤@¤¤µ¥©ú¬P°ª¤¤©M«C´Ôµ¥¤j¾Ç.§Úªº¤@¦ìªB¤Í¥²¶·À°¥Lªº³Õ¤h¾Ç¥Í¼í¹¢½×¤å,»¡¼í¹¢¬O¦nÅ¥,©Ò¥H§Aªº½×ÂI¦pªG¬O¤£®h®ö¶O°ê®a¸ê·½ªº¦ÌÂΧګܻ{¦P
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2006-06-04 09:13 | |