²é¿´: 1894  |  »Ø¸´: 21
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

xuguanghua

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

hysb12812

Í­³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÄãÕâÎÊÌâºÍÌâÉèÓÐʲô¹ØÏµ£¿
NoReason.
3Â¥2014-01-05 22:37:40
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 22 ¸ö»Ø´ð

laohuajiang

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

ÀÏ»¨½³

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
log(10)324=2.5105450102066121396075894024694
log(e)324=5.7807435157923293844154451906065
???
¾²×ø³£Ë¼×Ô¼º¹ý,ÏÐ̸ĪÂÛËûÈË·Ç!---ÀÏ»¨½³(ÀÏ·ÇÀÏ-´º²ÐÒâáÝáå;»¨·Ç»¨-·¼×ÙÃÙ·±»ª,½³·Ç½³-×îÃÀÄѵúýÍ¿!)
2Â¥2014-01-05 21:55:35
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xuguanghua

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2014-01-05 22:50:44
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

laohuajiang

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

ÀÏ»¨½³

ÒýÓûØÌû:
4Â¥: Originally posted by xuguanghua at 2014-01-05 22:50:44
ÊÇÒÔ3Ϊµ×24ÎªÕæÊý¶ÔÊýµÈÓÚ¶àÉÙ £¿Áí3XÊÇÖ¸3µÄx´Î·½£¬...

log(3)24=log(3)(27-3)=log(3)[3^3(1-1/9)]=3+log(3)(1-1/9)=3+[-1/9-1/9^2-....]/ln3=2.893...
ÆäÖÐ ln3=ln(e+3-e)=ln3[1+(3-e)/e]=1+ln[1+(3-e)/e]=1+(3-e)/e-[(3-e)/e]^2/2+....=1.0986.....
ln(1+x)=x-x^2/2+x^3/3+.......
¾²×ø³£Ë¼×Ô¼º¹ý,ÏÐ̸ĪÂÛËûÈË·Ç!---ÀÏ»¨½³(ÀÏ·ÇÀÏ-´º²ÐÒâáÝáå;»¨·Ç»¨-·¼×ÙÃÙ·±»ª,½³·Ç½³-×îÃÀÄѵúýÍ¿!)
5Â¥2014-01-05 23:25:04
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 299Çóµ÷¼Á +7 ijijijijλ 2026-03-21 8/400 2026-03-25 20:34 by ÈÈÇéɳĮ
[¿¼ÑÐ] 321Çóµ÷¼Á +3 è±Óñ~~ 2026-03-25 3/150 2026-03-25 19:07 by Zhanglab-TJU
[¿¼ÑÐ] 299Çóµ÷¼Á +7 shxchem 2026-03-20 9/450 2026-03-25 10:41 by lbsjt
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +7 722865 2026-03-23 7/350 2026-03-25 09:29 by aa331100
[¿¼ÑÐ] ÉϺ£µçÁ¦´óѧ²ÄÁÏ·À»¤ÓëвÄÁÏÖØµãʵÑéÊÒÕÐÊÕµ÷¼ÁÑо¿Éú£¨²ÄÁÏ¡¢»¯Ñ§¡¢µç»¯Ñ§£¬»·¾³£© +4 ÎÒ°®Ñ§µç³Ø 2026-03-23 4/200 2026-03-25 00:59 by 1027_324
[¿¼ÑÐ] 311Çóµ÷¼Á +3 ¶¬Ê®Èý 2026-03-24 3/150 2026-03-24 21:31 by peike
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +7 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 7/350 2026-03-24 20:26 by peike
[¿¼ÑÐ] 0854 ¿¼Ñе÷¼Á ÕÐÉúÁË£¡AI ·½Ïò +5 pk3725069 2026-03-19 17/850 2026-03-24 17:30 by zhouxuan..
[¿¼ÑÐ] 277·ÖÇóµ÷¼Á£¬¿çµ÷²ÄÁÏ +3 ¿¼Ñе÷¼Álxh 2026-03-24 3/150 2026-03-24 13:52 by JourneyLucky
[¿¼ÑÐ] 305·ÖÇóµ÷¼Á£¨Ê³Æ·¹¤³Ì£© +5 Sxy112 2026-03-21 7/350 2026-03-24 12:27 by 544594351
[¿¼ÑÐ] һ־Ըɽ¶«´óѧҩѧѧ˶Çóµ÷¼Á +3 ¿ª¿ªÐÄÐÄû·³ÄÕ 2026-03-23 4/200 2026-03-24 00:06 by ¿ª¿ªÐÄÐÄû·³ÄÕ
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ 070300 ѧ˶ 336·Ö Çóµ÷¼Á +7 vvÃÔ 2026-03-22 7/350 2026-03-23 23:44 by Txy@872106
[¿¼ÑÐ] ÇóÀÏʦÊÕÎÒ +3 zzh16938784 2026-03-23 3/150 2026-03-23 12:56 by ztnimte
[¿¼ÑÐ] Çóµ÷¼ÁԺУÐÅÏ¢ +6 CX 330 2026-03-21 6/300 2026-03-22 15:25 by ÎÞи¿É»÷111
[¿¼ÑÐ] Çóµ÷¼Á +3 13341 2026-03-20 3/150 2026-03-21 18:28 by ѧԱ8dgXkO
[¿¼ÑÐ] Çóµ÷¼Á +3 .m.. 2026-03-21 4/200 2026-03-21 16:25 by barlinike
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁÏÇóµ÷¼Á£¬×Ü·Ö315£¨Ó¢Ò»£© +5 sbdksD 2026-03-19 5/250 2026-03-20 22:10 by luoyongfeng
[¿¼ÑÐ] 290Çóµ÷¼Á +7 ^O^Ø¿ 2026-03-19 7/350 2026-03-20 21:43 by JourneyLucky
[¿¼ÑÐ] ÕÐÊÕµ÷¼Á˶ʿ +4 lidianxing 2026-03-19 12/600 2026-03-20 12:25 by lidianxing
[¿¼ÑÐ] ²ÄÁÏѧ˶318Çóµ÷¼Á +5 February_Feb 2026-03-19 5/250 2026-03-19 23:51 by 23Postgrad
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û