±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 205  |  »Ø¸´: 1

¹þ¹þÀï77

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖúÊýѧ ¹ØÓÚÊýÁÐ

ÊýÁеÄǰnÏîºÍSn=pr^n+q(r²»Îª0£¬r²»Îª1£©£¬Èô¸ÃÊýÁÐΪµÈ±ÈÊýÁУ¬Ôòp,qÂú×ãµÄÌõ¼þÊÇ£¿
´ð°¸p²»µÈÓÚ0ÇÒp+q=0 Çó¹ý³Ì
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

563583184

½ð³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
soliton923(½ð±Ò+1): лл²ÎÓëÌÖÂÛ~~ 2011-08-26 23:10:38
¹þ¹þÀï77(½ð±Ò+15): 2011-08-27 19:16:04
Éèan=a1r£¨n-1´Î·½£©£¬ÒòΪr²»µÈÓÚ1£¬ËùÒÔ¿ÉÓÃÇóºÍ¹«Ê½sn=a1(1-r(n´Î·½))/(1-r)
¼´sn=-a1r£¨´Î·½£©/(1-r)+a1/(1-r)µÃp=-a1/£¨1-r£©,q=a1/(1-r),ËùÒÔp+q=0£»ÒòΪ²»µÈÓÚ1£¬ËùÒÔp²»µÈÓÚ0.
ÍæºÃ£¬Ñ§ºÃ
2Â¥2011-08-26 19:06:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ¹þ¹þÀï77 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÀí£¬ÊýÒ»Ó¢Ò»285ÇóAÇøµ÷¼Á +8 AZMK 2026-03-25 12/600 2026-03-28 18:15 by AZMK
[¿¼ÑÐ] 317·Ö Ò»Ö¾Ô¸ÄÏÀí¹¤²ÄÁϹ¤³Ì ±¾¿Æºþ¹¤´ó Çóµ÷¼Á +6 ÓóÄàСÁåîõ 2026-03-28 6/300 2026-03-28 14:15 by Ainin_
[¿¼ÑÐ] ÊýÒ»Ó¢Ò»271ר˶£¨085401£©Çóµ÷¼Á£¬¿É¿ç +4 ǰÐбØÓйâ 2026-03-28 5/250 2026-03-28 11:27 by xuxiang
[¿¼ÑÐ] 0856£¬²ÄÁÏÓ뻯¹¤321·ÖÇóµ÷¼Á +12 ´ó²öС×Ó 2026-03-27 13/650 2026-03-28 10:56 by self2008
[¿¼ÑÐ] 083000ѧ˶274Çóµ÷¼Á +7 LiÀîÓã 2026-03-26 7/350 2026-03-28 08:01 by baoball
[¿¼ÑÐ] 308Çóµ÷¼Á +7 īīĮ 2026-03-27 7/350 2026-03-28 07:43 by ÈÈÇéɳĮ
[¿¼ÑÐ] ÕÅ·¼Ãú-Öйúũҵ´óѧ-»·¾³¹¤³Ìר˶-298 +4 ÊÖ»úÓû§ 2026-03-26 4/200 2026-03-28 07:17 by mmm just
[¿¼ÑÐ] 328Çóµ÷¼Á +7 àŵεĻù±¾¶¼ 2026-03-27 7/350 2026-03-28 04:19 by fmesaito
[¿¼ÑÐ] 331»·¾³¿ÆÑ§Ó빤³ÌÇóµ÷¼Á +3 ìÚÈ»ºÃÔËÆø 2026-03-27 3/150 2026-03-28 04:11 by fmesaito
[¿¼ÑÐ] 295Çóµ÷¼Á +5 1428151015 2026-03-27 6/300 2026-03-28 04:04 by fmesaito
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ 070300 ѧ˶ 336·Ö Çóµ÷¼Á +9 vvÃÔ 2026-03-22 9/450 2026-03-27 15:59 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ¿¼Ñе÷¼Á +9 СÀ¯ÐÂ±Ê 2026-03-26 9/450 2026-03-27 11:10 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ÇóÇóÁËÊÕÏÂÎÒ°É£ 2026-03-26 4/200 2026-03-27 10:37 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] ¡¾Ë«Ò»Á÷ԺУÐÂÄÜÔ´¡¢»·¾³²ÄÁÏ£¬²ÄÁϼӹ¤ÓëÄ£ÄâÕÐÊÕ´óÁ¿µ÷¼Á¡¿ +4 Higraduate 2026-03-22 8/400 2026-03-26 20:34 by Higraduate
[¿¼ÑÐ] ÇóbÇøÔºÐ£µ÷¼Á +4 ÖÜ56 2026-03-24 5/250 2026-03-25 17:12 by yishunmin
[¿¼ÑÐ] 282Çóµ÷¼Á +3 wcq131415 2026-03-24 3/150 2026-03-25 12:16 by userper
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ª´ó»¯Ñ§322Çóµ÷¼Á +4 17501029541 2026-03-23 6/300 2026-03-24 10:21 by ´÷Χ²±µÄСÎÃ×Ó
[¿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] ÇóÀÏʦÊÕÎÒ +3 zzh16938784 2026-03-23 3/150 2026-03-23 12:56 by ztnimte
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û