±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 711  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

jluzzpaul

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] ÎÊÒ»µÀÌâĿлл

ÒÑÖªf(x)=a^x/(a^x+a^0.5)  a>0
Çó
f(1/2011)+f(2/2011)+f(3/2011)+f(4/2011)+........+ f(2009/2011)+f(2010/2011)  

ÐÁ¿à¸÷λÁË  ²»ÒªÊýÖµ½â£¬Òª½â½âÌâµÄ¾ßÌå²½Öè
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

duaichexian

гæ (СÓÐÃûÆø)

Â¥ÉÏÕý½â£¬ÊýѧÌâÄ¿ÕæÊÇÌ«ÃÀÃîÁË£¬ÏëÁËÒ»ÏÂҲûÏëµ½ÆäËûʲô±È½ÏºÃµÄ½â·¨
3Â¥2011-08-05 22:50:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

just_play

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

soliton923: Ê®·Ö¸Ðлר¼ÒµÄ»Ø´ð 2011-08-05 23:14:48
jluzzpaul(½ð±Ò+60): 2011-08-06 10:07:35
ÈÝÒ×ÑéÖ¤£ºf(x)+f(1-x)=1
¹Êԭʽ=2010/2=1005
So Trivial !
2Â¥2011-08-05 22:00:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

15172090543

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

soliton923: ÇëÎð¹àË®~¾¯¸æÒ»´Î£¡£¡ 2011-08-06 09:15:23
ÒýÓûØÌû:
3Â¥: Originally posted by duaichexian at 2011-08-05 22:50:37:
Â¥ÉÏÕý½â£¬ÊýѧÌâÄ¿ÕæÊÇÌ«ÃÀÃîÁË£¬ÏëÁËÒ»ÏÂҲûÏëµ½ÆäËûʲô±È½ÏºÃµÄ½â·¨

4Â¥2011-08-06 07:13:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

15172090543

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

Éñ³æ¸¡ÔÆ

ÄãÎó½âÎÒÁË£¬×òÌìÍíÉÏʵÑéÊÒ¹ØÃŵÄʱºò£¬ÎÒ¿´µ½ÁËÕâ¸öÌ⣬ÓÚÊdz­ÁËÏÂÀ´£¬ÍíÉÏ»ØÈ¥×öÁËһϣ¬½ñÔçÉÏÀ´Ò»¿´£¬ÒѾ­ÓÐÈ˽â³öÁË£¬¹Ê¶ø´¿±íÒ»ÏÂ
ÌìµÀ³êÇÚ
5Â¥2011-08-06 10:14:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 266·Ö£¬Çó²ÄÁÏÒ±½ðÄÜÔ´»¯¹¤µÈµ÷¼Á +5 ÍÛºôºßºôºß 2026-03-27 7/350 2026-03-27 21:41 by lbsjt
[¿¼ÑÐ] 070300»¯Ñ§Çóµ÷¼Á +4 Æð¸öÃûÕ¦ÕâôÄÑ 2026-03-27 4/200 2026-03-27 21:39 by 83503ËïÀÏʦ
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏʦ´ó0703»¯Ñ§ 275Çóµ÷¼Á +4 RipcordÉϰ¶ 2026-03-27 4/200 2026-03-27 17:00 by zhyzzh
[¿¼ÑÐ] 269ר˶Çóµ÷¼Á +10 ½ð¶÷±´ 2026-03-21 10/500 2026-03-27 15:10 by caszguilin
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +9 ´ó²öС×Ó 2026-03-27 9/450 2026-03-27 14:30 by mmm just
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Öµ÷¼Á +4 ´ó²öС×Ó 2026-03-27 6/300 2026-03-27 14:11 by ËÉ»¨¸×1201
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬335·Ö£¬0856£¬Çóµ÷¼ÁԺУºÍµ¼Ê¦ +4 Çã____Ïô 2026-03-27 5/250 2026-03-27 11:52 by zhshch
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤306 +10 z1z2z3879 2026-03-21 11/550 2026-03-27 11:31 by wangjy2002
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +8 @taotao 2026-03-21 8/400 2026-03-27 11:21 by wangjy2002
[¿¼ÑÐ] 314Çóµ÷¼Á +3 ÏªÔÆçæ 2026-03-26 3/150 2026-03-27 11:20 by sanrepian
[¿¼ÑÐ] Çóµ÷¼Á323²ÄÁÏÓ뻯¹¤ +7 1124361 2026-03-24 7/350 2026-03-27 10:22 by wangjy2002
[¿¼ÑÐ] 333Çóµ÷¼Á +7 87639 2026-03-21 12/600 2026-03-26 22:08 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Ò»Ö¾Ô¸ÏÃÃÅ´óѧ»¯Ñ§Ñ§Ë¶307Çóµ÷¼Á +8 y7czhao 2026-03-26 8/400 2026-03-26 19:51 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ339²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +3 ½­ÍùÂôÓã 2026-03-26 3/150 2026-03-26 09:42 by ÍõСǷi
[¿¼ÑÐ] 289²ÄÁÏÓ뻯¹¤£¨085600£©BÇøÇóµ÷¼Á +4 ÕâôÃû×ÖÕ¦Ñù 2026-03-22 5/250 2026-03-25 08:20 by mx.yue
[¿¼ÑÐ] ÉúÎïѧѧ˶Çóµ÷¼Á +7 СÑò˯×ÅÁË? 2026-03-23 10/500 2026-03-25 02:24 by Çå·ç·÷Ñï¡£ m
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] 300Çóµ÷¼Á£¬²ÄÁÏ¿ÆÑ§Ó¢Ò»Êý¶þ +5 leaflight 2026-03-24 5/250 2026-03-24 16:25 by laoshidan
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÓàÒâÇä 2026-03-21 6/300 2026-03-24 15:03 by ÓàÒâÇä
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-23 8/400 2026-03-23 20:36 by Creta
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û