±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 713  |  »Ø¸´: 5

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

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

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

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

liu1991liu

ľ³æ (Ö°Òµ×÷¼Ò)

ÕâÖÖÌâÄ¿²»ÒªËÀË㣬¿Ï¶¨ÓйæÂɵ쬏ßÖÐÕâÖÖÌâÄ¿¶àµÄºÜ
ÈËÉúµÃÒâÐ뾡»¶£¬¾ÍÈÃɵ±ÆÈ¥ÐÄËá¡£
6Â¥2011-08-13 12:27:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ jluzzpaul µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 320·Ö£¬²ÄÁÏÓ뻯¹¤×¨Òµ£¬Çóµ÷¼Á +5 Ò»¶¨Éϰ¶aaa 2026-03-27 7/350 2026-03-27 22:21 by Ò»¶¨Éϰ¶aaa
[¿¼ÑÐ] ¿¼Ñе÷¼Á +4 Sanmu-124 2026-03-26 4/200 2026-03-27 17:49 by kiokin
[¿¼ÑÐ] 272Çóµ÷¼Á +7 ½Å»¬µÄÊØ·¨¹«Ãñ 2026-03-27 7/350 2026-03-27 17:23 by laoshidan
[¿¼ÑÐ] 316Çóµ÷¼Á +5 Pigcasso 2026-03-24 5/250 2026-03-27 12:10 by zhshch
[˶²©¼ÒÔ°] ±±¾©ÁÖÒµ´óѧ˶µ¼ÕÐÉú¹ã¸æ +6 kongweilin 2026-03-26 8/400 2026-03-27 10:18 by FF_16
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +4 @taotao 2026-03-26 5/250 2026-03-27 08:10 by hypershenger
[˶²©¼ÒÔ°] ÕÐÊÕÉúÎïѧ/ϸ°ûÉúÎïѧµ÷¼Á +3 IceGuo 2026-03-26 4/200 2026-03-27 05:35 by user003
[¿¼ÑÐ] 317Çóµ÷¼Á +7 µ°»ÆÏÌÈâôÕ 2026-03-26 7/350 2026-03-27 02:29 by fmesaito
[¿¼ÑÐ] Çóµ÷¼Á +5 «lty 2026-03-25 6/300 2026-03-26 20:49 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ÉúÎïѧѧ˶£¬Ò»Ö¾Ô¸ºþÄÏ´óѧ£¬³õÊԳɼ¨338 +4 YYYYYNNNNN 2026-03-26 4/200 2026-03-26 19:00 by macy2011
[¿¼ÑÐ] 281Çóµ÷¼Á +6 Koxui 2026-03-24 7/350 2026-03-26 15:37 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©Óʵç´óѧ 288·Ö ²ÄÁÏ¿¼ÑÐ Çóµ÷¼Á +3 jl0720 2026-03-26 3/150 2026-03-26 13:39 by zzll406
[¿¼ÑÐ] 291 Çóµ÷¼Á +7 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 8/400 2026-03-26 11:25 by AlenQIN.
[¿¼ÑÐ] 303Çóµ÷¼Á +6 À¶É½Ô 2026-03-25 6/300 2026-03-25 22:47 by 418490947
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí-080500 ²ÄÁÏÇóµ÷¼Á +4 ÀîÀî²»·þÊä 2026-03-25 4/200 2026-03-25 21:26 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 26¿¼ÑÐ-291·Ö-ÏÃÃÅ´óѧ£¨085601£©-ÈáÐÔµç×ÓѧԺ²ÄÁϹ¤³ÌרҵÇóµ÷¼Á +3 min3 2026-03-24 4/200 2026-03-25 18:22 by xcjcqu
[¿¼ÑÐ] ÍøÂç¿Õ¼ä°²È«0839Õе÷¼Á +4 w320357296 2026-03-25 6/300 2026-03-25 17:59 by 255671
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á +7 ¦Á____ 2026-03-22 9/450 2026-03-25 13:37 by ¦Á____
[¿¼ÑÐ] 282Çóµ÷¼Á +3 wcq131415 2026-03-24 3/150 2026-03-25 12:16 by userper
[¿¼ÑÐ] 336»¯¹¤µ÷¼Á +4 Íõ´ó̹1 2026-03-23 5/250 2026-03-23 18:32 by allen-yin
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û