Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1597  |  »Ø¸´: 8
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ËØÔÂÄ«Óð

ÎÞ³æ (³õÈëÎÄ̳)

[½»Á÷] Çë½ÌÒ»¸öÇóµ¼¼ÆË㣬Çëд¹ý³Ì£¬Ð»Ð» ÒÑÓÐ5È˲ÎÓë

ÈçÏÂʽ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

laosam280

½û³æ (ÕýʽдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

5Â¥2012-04-19 21:52:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

math2000

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
dy/dlnx=(dy/dx)*(dx/dlnx)=(dy/dx)*(dlnx/dx)^(-1)=-(x/B)/(1-x/B)
2Â¥2012-04-19 19:04:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ËØÔÂÄ«Óð

ÎÞ³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by math2000 at 2012-04-19 19:04:22:
dy/dlnx=(dy/dx)*(dx/dlnx)=(dy/dx)*(dlnx/dx)^(-1)=-(x/B)/(1-x/B)

ºÍAûÓйØÏµÂð£¿Ò»¶¨µÃÓÐA°É
3Â¥2012-04-19 20:36:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shumolynu

½ð³æ (ÕýʽдÊÖ)

2Â¥¹ý³Ì£¬3Â¥µÄ´ð°¸
6Â¥2012-04-20 11:00:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 284Çóµ÷¼Á +14 èó@@ 2026-04-06 14/700 2026-04-08 00:36 by JourneyLucky
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +5 ÏàÐűػá¹ââÍòÕ 2026-04-07 6/300 2026-04-08 00:19 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +19 ŬÁ¦·Ü¶·112 2026-04-07 20/1000 2026-04-07 23:12 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +11 Æâluck 2026-04-07 11/550 2026-04-07 22:59 by lbsjt
[¿¼ÑÐ] 0703µ÷¼Á£¬Ò»Ö¾Ô¸Ìì½ò´óѧ319·Ö +19 haaaabcd 2026-04-05 21/1050 2026-04-07 22:18 by dick_runner
[¿¼ÑÐ] 318Çóµ÷¼Á +5 ÀîÇàɽɽɽ 2026-04-07 5/250 2026-04-07 18:24 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©273Çóµ÷¼Á +14 ÀóÌâÄÏǽ 2026-04-05 15/750 2026-04-07 16:29 by ¿É¿Ú¿ÉÀÖ²»¼Ó±ùØ
[¿¼ÑÐ] ÉúÎïµ÷¼Á +5 ³È×Ó³È×Ó³È×Ó°¡ 2026-04-05 9/450 2026-04-07 15:31 by Éϰ¶¿ì¿ì
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©º½¿Õº½Ìì´óѧ ²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +9 Mr. Z 2026-04-05 9/450 2026-04-07 15:30 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] Ò»Ö¾Ô¸211ÉúÎïѧ280·Ö Çóµ÷¼Á +5 Àîrien 2026-04-05 5/250 2026-04-06 10:30 by zhyzzh
[¿¼ÑÐ] Ò»Ö¾Ô¸C9µÄ»¯Ñ§¹¤³Ì£¨085602£© 340·Ö£¬¸Ð¾õУÄÚµ÷¼ÁÎÞÍû£¬Çóµ÷¼Á +12 ÍòÊÂÒËÕé 2026-04-04 12/600 2026-04-06 07:46 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ¼ÆËã»ú11408£¬286·ÖÇóµ÷¼Á +7 ľ×ÓÄî•„ 2026-04-05 7/350 2026-04-05 19:02 by chy09050039
[¿¼ÑÐ] µç×ÓÐÅÏ¢µ÷¼Á½»²æÑ§¿ÆÓÐÍÆ¼öÂð +6 jhtfeybgj 2026-04-01 9/450 2026-04-05 11:13 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª±±µçÁ¦´óѧ£¨±±¾©£©£¬²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶265£¬Çóµ÷¼Á +11 yelck 2026-04-03 12/600 2026-04-04 19:52 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ²ÄÁϹ¤³Ì085601£¬Çóµ÷¼Á +17 cdyw 2026-04-02 18/900 2026-04-04 11:14 by w_xuqing
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 15615482637 2026-04-03 3/150 2026-04-03 22:50 by ms629
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼Á +8 ÖªÕÑÂû 2026-04-02 8/400 2026-04-03 10:36 by macy2011
[¿¼ÑÐ] 330Çóµ÷¼Á +3 °×ÉñÎØºôºô 2026-04-02 3/150 2026-04-03 10:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +10 ÔÂÔÂÄñľ 2026-04-01 10/500 2026-04-02 12:57 by wxiongid
[¿¼ÑÐ] 286Çóµ÷¼Á +5 Sa67890. 2026-04-01 7/350 2026-04-01 19:50 by 6781022
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û