²é¿´: 1282  |  »Ø¸´: 7

hh0044

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ¶ÔÈÎÒâµÄn(n´óÓÚµÈÓÚ4)±ßÐΣ¬Ò»¶¨ÖÁÉÙÓÐÒ»Ìõ¶Ô½ÇÏßÍêÈ«°üº¬ÔÚËüµÄÄÚ²¿£¿

ÈçÌ⣬¶ÔÈÎÒâµÄn(n´óÓÚµÈÓÚ4)±ßÐΣ¬Ò»¶¨ÖÁÉÙÓÐÒ»Ìõ¶Ô½ÇÏßÍêÈ«°üº¬ÔÚËüµÄÄÚ²¿£¿ËƺõÊǶԵ쬵«¸ÃÈçºÎÖ¤Ã÷£¿Çë½Ì¸÷λ´óÏÀÁË¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Àî¼ÒСÐÀ

Òø³æ (³õÈëÎÄ̳)

n=4,Óën=5²»ÓèÖ¤Ã÷£¬µ±n´ó3ÓÚ5ʱn¸ö¶¥µã3È·¶¨n*(n-1)/2ÌõÏ߶Σ¬ÆäÖÐnÌõΪ±ß£¬n*(n-3)/2Ìõ¶Ô½ÇÏߣ¬µ±n>5ʱ¶Ô½ÇÏßÌõÊý´óÓÚ±ßÌõÊý£¬Èç¹û¶Ô½ÇÏß¶¼ÔÚn±ßÐÎÍⲿ£¬ÕâÓën±ßÐÎÖ»ÓÐ×î¶ànÌõ±ßÔÚ×îÍⲿµÄ³£Ê¶Ïà㣣¬ËùÒÔ±ØÓÐÒ»Ìõ¶Ô½ÇÏßÔÚÆäÄÚ²¿
2Â¥2013-04-08 20:20:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hh0044

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by Àî¼ÒСÐÀ at 2013-04-08 20:20:34
n=4,Óën=5²»ÓèÖ¤Ã÷£¬µ±n´ó3ÓÚ5ʱn¸ö¶¥µã3È·¶¨n*(n-1)/2ÌõÏ߶Σ¬ÆäÖÐnÌõΪ±ß£¬n*(n-3)/2Ìõ¶Ô½ÇÏߣ¬µ±n>5ʱ¶Ô½ÇÏßÌõÊý´óÓÚ±ßÌõÊý£¬Èç¹û¶Ô½ÇÏß¶¼ÔÚn±ßÐÎÍⲿ£¬ÕâÓën±ßÐÎÖ»ÓÐ×î¶ànÌõ±ßÔÚ×îÍⲿµÄ³£Ê¶Ïà㣣¬ËùÒÔ±ØÓÐÒ» ...

²»¶Ô£¬ÓеĶԽÇÏßËü¿ÉÄÜÓÐÒ»²¿·ÖÔÚÄÚ²¿£¬Ò»²¿·ÖÔÚÍⲿ¡£
3Â¥2013-04-08 21:05:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yongcailiu

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¶Ô½ÇÏßÊÇÈçºÎ¶¨ÒåµÄ£¬Èç¹ûÖ»ÊÇÁ¬½Ó²»ÏàÁڵĶ¥µãµÄÏ߶ζ¼½Ð×ö¶Ô½ÇÏߵϰ£¬ÄÇôÕâ¾ä»°Ó¦¸ÃÊǶԵġ£¿ÉÒÔ´Ó¶à±ßÐεÄÈý½ÇÆÊ·ÖÀ´¼ä½ÓÖ¤Ã÷¡£ÏêÇéÇë²Î¼ûÇ廪´óѧ³ö°æÉç³ö°æµÄµË¿¡»Ô·­ÒëµÄ¡¶¼ÆË㼸ºÎ-Ëã·¨ÓëÓ¦Ó㨵Ú2°æ£©¡·µÚÈýյ͍Àí3.1µÄÖ¤Ã÷£¨p52£©
4Â¥2013-04-10 07:41:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

د»¨ÂäØ¼Ð¡ÍÃ

Ìú¸Ëľ³æ (ÖªÃû×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Õâ¸öÎÒÓеã¶ù¼Ç²»Çå³ýÁË ÕÒʱ¼ä¸øÄúËãÒ»Ëã Äú¿ÉÒÔÔÚ°Ù¶ÈÉϲéÕÒÏÂÏÂŶ Ò²¿ÉÒÔÈ¥Êéµê²éÒ»²é ×£ÄúÔçÈճɹ¦£¡~
³õѧÕßÇë¶à¹ØÕÕ~
5Â¥2013-04-10 08:14:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ѪɫÀÇÂþ

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¹Ø¼üÊÇ͹¶à±ßÐλ¹Êǰ¼¶à±ßÐÎ

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
6Â¥2013-04-10 08:47:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hh0044

½ð³æ (СÓÐÃûÆø)

͹¶à±ßÐÎÊǷdz£¼òµ¥µÄ£¬¹Ø¼ü¾ÍÊǰ¼¶à±ßÐβ»´óºÃ´¦Àí¡£¶àл¥Éϸ÷λ¡£
7Â¥2013-04-10 14:51:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
7Â¥: Originally posted by hh0044 at 2013-04-10 14:51:48
͹¶à±ßÐÎÊǷdz£¼òµ¥µÄ£¬¹Ø¼ü¾ÍÊǰ¼¶à±ßÐβ»´óºÃ´¦Àí¡£¶àл¥Éϸ÷λ¡£

n±ßÐÎÄڽǺÍΪ(n-2)Pi£¬ËùÒÔÖÁÉÙÓÐÒ»¸ö½Ç¶È<180, ÉèΪ½Ç<BAC.

ÏÖÔÚÁ¬½ÓBºÍC¡£ ҪôËüÈ«ÔÚ¶à±ßÐÎÄÚ£¬ ҪôºÍ¶à±ßÐÎÔÚBCÄÚ²¿Ïཻ¡£Èç¹ûÊǺóÒ»Çé¿ö£¬¹Ì¶¨B£¬ È¡DµãÑØ×ÅCA»¬ÏòA¡£×ÜÓÐ×îºóÒ»¸öµãD'£¬ ʹµÃBD'Óë¶à±ßÐÎ×îºóÒ»´ÎÔÚBD'ÄÚ²¿Óн»µã¡£ÄÇô£¬´ËʱBD' ÓÐÒ»¶ÎÍêÈ«°üº¬ÔÚ¶à±ßÐÐÄÚ²¿µÄ¶à±ßÐеĶԽÇÏß¡£
We_must_know. We_will_know.
8Â¥2013-08-19 09:33:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ hh0044 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 275Çóµ÷¼Á +7 Micky11223 2026-03-25 9/450 2026-03-26 14:48 by ¡£¡£ÌÃÌÃ
[¿¼ÑÐ] 263Çóµ÷¼Á +6 yqdszhdap£­ 2026-03-22 10/500 2026-03-26 13:11 by ¹«èªåÐÒ£
[¿¼ÑÐ] 333Çóµ÷¼Á +6 87639 2026-03-21 11/550 2026-03-25 16:17 by 87639
[¿¼ÑÐ] 086003ʳƷ¹¤³ÌÇóµ÷¼Á +6 íµíµ111 2026-03-24 6/300 2026-03-25 10:29 by 3Strings
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á +6 ÄÌÓͲÝÝ®. 2026-03-22 7/350 2026-03-25 10:00 by shangxh
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +7 722865 2026-03-23 7/350 2026-03-25 09:29 by aa331100
[¿¼ÑÐ] 340Çóµ÷¼Á +5 »°Ã·ÌÇ111 2026-03-24 5/250 2026-03-25 06:53 by ilovexiaobin
[¿¼ÑÐ] ²ÄÁÏѧÇóµ÷¼Á +6 Stella_Yao 2026-03-20 6/300 2026-03-25 00:37 by baoball
[¿¼ÑÐ] 0856²ÄÁÏר˶353Çóµ÷¼Á +6 NIFFFfff 2026-03-20 6/300 2026-03-24 21:02 by helloÆßÆß
[¿¼ÑÐ] µ÷¼Á +4 13853210211 2026-03-24 4/200 2026-03-24 19:44 by ms629
[¿¼ÑÐ] 070300»¯Ñ§Çóµ÷¼Á +9 Ô·¶¹¶¹ 2026-03-20 9/450 2026-03-24 17:15 by licg0208
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] 080500Çóµ÷¼Á +3 zzzzfan 2026-03-24 3/150 2026-03-24 16:38 by barlinike
[¿¼ÑÐ] Ò»Ö¾Ô¸211 ³õÊÔ270·Ö Çóµ÷¼Á +5 ¹ÈÓêÉϰ¶ 2026-03-23 6/300 2026-03-24 16:32 by laoshidan
[¿¼ÑÐ] 321Çóµ÷¼Á +4 Ymlll 2026-03-24 4/200 2026-03-24 14:44 by sprinining
[¿¼ÑÐ] »¯Ñ§308·ÖÇóµ÷¼Á +3 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 3/150 2026-03-23 20:11 by macy2011
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬×Ü·Ö320Çóµ÷¼Á +5 À§À§À§À§À¤À¤ 2026-03-20 6/300 2026-03-22 17:41 by hxsm
[¿¼ÑÐ] 269ר˶Çóµ÷¼Á +6 ½ð¶÷±´ 2026-03-21 6/300 2026-03-22 14:31 by ColorlessPI
[¿¼ÑÐ] ÇóÖú +5 ÃÎÀïµÄÎÞÑÔ 2026-03-21 6/300 2026-03-21 17:51 by ѧԱ8dgXkO
[¿¼ÑÐ] 320Çóµ÷¼Á0856 +3 ²»ÏëÆðÃû×Ö112 2026-03-19 3/150 2026-03-19 22:53 by ѧԱ8dgXkO
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û