Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 2908  |  »Ø¸´: 11
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

SETSUNALI

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

[ÇóÖú] ´óѧÎïÀí£¬¾²µçѧÖе͍»ý·ÖÎÊÌ⣡Çó¸ßÈËÖ¸µã£¡

ÕâµÀÌâ¸ÃÈçºÎ»ý·Ö£¿ÎÒ»ý·Ö²»³öÀ´£¡Çó¸ßÈË£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Ëï?ª730

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
·Ö²¿»ý·Ö ÿ·ÖÒ»²¿ ½µÒ»½× ºÇºÇ
sunyu730_emuch@126.com
7Â¥2012-03-02 21:23:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 12 ¸ö»Ø´ð

yuuwang

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÄãµÄÐüÉÍҲ̫ÉÙÁ˵ã°É£¬Æäʵ²¢²»ÄÑ£¬°´¶¨Òå¾Í¿ÉÒÔËã³öÀ´
3Â¥2012-02-29 16:15:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yulingfei225

Òø³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ó÷ֲ¿»ý·Ö·¨£º\int ^r_0 r^2e^{-r/b}dr=r^2e^{-r/b}|^r_0-\int ^r_0 2r e^{-r/b}dr
4Â¥2012-02-29 16:37:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

SETSUNALI

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
Â¥: Originally posted by yulingfei225 at 2012-02-29 16:37:51:
Ó÷ֲ¿»ý·Ö·¨£º\int ^r_0 r^2e^{-r/b}dr=r^2e^{-r/b}|^r_0-\int ^r_0 2r e^{-r/b}dr

Êǰ¡£¬ÊÇ·Ö²¿»ý·Ö£¬Á½´Î£¬ÎÒËã³öÀ´ÁË£¬Ð»Ð»Äã
5Â¥2012-02-29 18:01:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬320Çóµ÷¼Á +4 À§À§À§À§À¤À¤ 2026-04-14 5/250 2026-04-14 21:29 by ¶ßÀ²AÃÎÖ»ÊǸöÃÎ
[¿¼ÑÐ] Çóµ÷¼Á +9 СÄô°®Ñ§Ï° 2026-04-11 13/650 2026-04-14 19:18 by Art1977
[¿¼ÑÐ] 291 Çóµ÷¼Á +36 »¯¹¤2026½ì±ÏÒµÉ 2026-04-09 37/1850 2026-04-14 17:56 by lhj2009
[¿¼ÑÐ] 271Çóµ÷¼Á +35 2261744733 2026-04-11 41/2050 2026-04-14 15:36 by zs92450
[¿¼ÑÐ] Çóµ÷¼Á +20 MAXâê㯠2026-04-09 22/1100 2026-04-14 14:57 by ¶À×íÃι³Ç
[¿¼ÑÐ] 085404 298·ÖÇóµ÷¼Á +11 ºôÀ²ºôÀ²ºôºôºô 2026-04-10 12/600 2026-04-14 08:38 by wfj257
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á£¬Ò»Ö¾Ô¸Î÷ÄÏ´óѧ348£¬TopÆÚ¿¯Ò»Çø¶þ×÷¡¢¶þÇøÈý×÷£¬ÈýµÈ½±Ñ§½ðÈý´Î +5 candyyyi 2026-04-09 5/250 2026-04-13 09:02 by ¿Éµ­²»¿ÉÍü
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸²ÄÁÏ¿ÆÑ§Ó빤³Ì985£¬365·Ö£¬ +8 ²Ä»¯Àî¿É 2026-04-11 10/500 2026-04-12 08:42 by 852137818
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷±±¹¤Òµ´óѧ289 085602 +33 yangæÃ 2026-04-10 34/1700 2026-04-12 08:11 by Art1977
[¿¼ÑÐ] 296Çóµ÷¼Á +14 Íô£¡£¿£¡ 2026-04-08 15/750 2026-04-11 20:28 by dongdian1
[¿¼ÑÐ] Çóµ÷¼Á +6 µçÆø300Çóµ÷¼Á²» 2026-04-08 6/300 2026-04-11 20:14 by ÄæË®³Ë·ç
[¿¼ÑÐ] 085400 328·Ö Çóµ÷¼Á +10 ιÄãÒ»¸ö´ó³È×Ó 2026-04-09 14/700 2026-04-11 19:53 by lqspecial
[¿¼ÑÐ] 263ÄÜÔ´¶¯Á¦×¨Ë¶Çóµ÷¼Á +3 ¼Ó´óºÅ·¹ºÐ´ü 2026-04-10 3/150 2026-04-10 22:23 by 286640313
[¿¼ÑÐ] ±¾9 Ò»Ö¾Ô¸Î÷¹¤´ó085601 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-10 16:57 by luoyongfeng
[¿¼ÑÐ] Òѵ÷¼Á +18 ²ñ¿¤Ã¨_ 2026-04-09 19/950 2026-04-09 22:10 by ²ñ¿¤Ã¨_
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖпÆÔº105500רҵ×Ü·Ö315Çóµ÷¼Á +6 lallalh 2026-04-09 7/350 2026-04-09 17:51 by lallalh
[¿¼ÑÐ] 085501»úеӢ¶þ77×Ü·Ö294Çóµ÷¼Á£¬½ÓÊÜ¿çרҵѧϰ +6 ÊØ·¨¹«ÃñØÁ¼Í 2026-04-08 6/300 2026-04-09 15:55 by wp06
[¿¼ÑÐ] 286Çóµ÷¼Á +19 Faune 2026-04-08 20/1000 2026-04-09 08:36 by ŶŶ123
[¿¼ÑÐ] 331Çóµ÷¼Á +5 luoxin0706. 2026-04-08 5/250 2026-04-08 22:15 by zhouyuwinner
[¿¼ÑÐ] µç×ÓÐÅÏ¢346 +4 zuoshaodian 2026-04-08 4/200 2026-04-08 11:54 by zzucheup
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û