±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1360  |  »Ø¸´: 2
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

¾ë³¾µÀÈË

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] Ũ¶Èƽ¾ùÖµµÄËã·¨

ÎÒ²âµÃÈý¸öÍ­Àë×ÓŨ¶ÈΪ1.2 1 0.8 ¼ÆËãÆ½¾ùֵΪ1 µ«ÊÇÎÒÃÇÀÏʦҪÇóÎÒÃÇŨ¶ÈµÄ±í´ïΪ1¡À¶àÉÙ¶àÉÙ£¬ÇëÎÊÕâ¸ö¡°¶àÉÙ¶àÉÙ¡±Ó¦¸ÃÔõôË㣿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

zhangxuan200

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
¾ë³¾µÀÈË: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú, ºÃ£¬Ð»Ð» 2013-05-14 11:41:47
ÊÇÖ¸»¯Ñ§²»È·¶¨¶ÈÂð£¬Ó¦¸ÃÊÇ1¡Àsd£¨k=1£©£¬»ò1¡À2sd£¨k=2£©£¬»ò1¡À3sd£¨k=3£©
3Â¥2013-05-14 08:39:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 3 ¸ö»Ø´ð

zhangxuan200

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¾ë³¾µÀÈË: ½ð±Ò+1, ¡ïÓаïÖú, лл£¬²»¹ýÎÒÃÇÀÏʦ˵²»ÊÇÕâ¸ö 2013-05-13 17:17:28
sd£¬±ê׼ƫ²î£¬¿ÉÒÔͨ¹ýexcelº¯Êý¼ÆË㣬Ҳ¿Éͨ¹ý¹«Ê½¼ÆË㣬±ê׼ƫ²î¹«Ê½£ºS = Sqr(¡Æ(xn-x²¦)^2 /n)
  ¹«Ê½ÖСƴú±í×ܺͣ¬x²¦´ú±íxµÄËãÊõƽ¾ùÖµ£¬^2´ú±í¶þ´Î·½£¬Sqr´ú±íƽ·½¸ù¡£
2Â¥2013-05-13 17:10:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤272Çóµ÷¼Á +9 °¢Ë¹µÙ·Ò2004 2026-03-28 9/450 2026-03-28 15:21 by 1018329917
[¿¼ÑÐ] ²ÄÁÏ277Çóµ÷¼Á +7 min3 2026-03-24 7/350 2026-03-28 11:39 by xuxiang
[¿¼ÑÐ] 277¹òÇóµ÷¼Á +5 1915668 2026-03-27 9/450 2026-03-28 09:58 by zhshch
[¿¼ÑÐ] 085405 ¿¼µÄ11408Çó¸÷λÀÏʦ´ø×ß +3 Qiuѧing 2026-03-28 3/150 2026-03-28 09:19 by ÀֺǺǵÄ×·ÃÎÈË
[¿¼ÑÐ] 295Çóµ÷¼Á +5 1428151015 2026-03-27 6/300 2026-03-28 04:04 by fmesaito
[¿¼ÑÐ] 275Çóµ÷¼Á +10 jjjjjjjjjjl 2026-03-27 10/500 2026-03-27 23:47 by barnett0632
[¿¼ÑÐ] 265Çóµ÷¼Á11408 +3 ÁõС¹lu 2026-03-27 3/150 2026-03-27 20:53 by nihaoar
[¿¼ÑÐ] ²ÄÁÏ292µ÷¼Á +12 éÙËÌ˼ÃÀÈË 2026-03-23 12/600 2026-03-27 15:44 by caszguilin
[¿¼ÑÐ] 0856µ÷¼Á +5 ÇóÇóÈÃÎÒÓÐÊé¶Á° 2026-03-26 6/300 2026-03-27 15:12 by caszguilin
[¿¼ÑÐ] 304²ÄÁÏÇóµ÷¼Á +4 ÖÓllll 2026-03-26 4/200 2026-03-27 03:42 by wxiongid
[¿¼ÑÐ] 321Çóµ÷¼Á +6 wasdssaa 2026-03-26 6/300 2026-03-26 20:57 by sanrepian
[¿¼ÑÐ] 321Çóµ÷¼Á +6 Ymlll 2026-03-24 6/300 2026-03-26 20:50 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 085601Çóµ÷¼Á×Ü·Ö293Ó¢Ò»Êý¶þ +4 ¸ÖÌú´óÅÚ 2026-03-24 4/200 2026-03-26 16:28 by dick_runner
[¿¼ÑÐ] 0854È˹¤ÖÇÄÜ·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-24 4/200 2026-03-25 13:29 by 2177681040
[¿¼ÑÐ] 293Çóµ÷¼Á +7 ¼ÓÒ»Ò»¾Å 2026-03-24 7/350 2026-03-25 12:02 by userper
[¿¼ÑÐ] 340Çóµ÷¼Á +5 »°Ã·ÌÇ111 2026-03-24 5/250 2026-03-25 06:53 by ilovexiaobin
[»ù½ðÉêÇë] Çë½ÌÏ´ó¼Ò 2026Äê¹ú¼Ò»ù½ðÉêÇëÊÇ˫äÉóÂ𣿠+3 lishucheng1 2026-03-22 5/250 2026-03-24 08:22 by gltch
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-23 8/400 2026-03-23 20:36 by Creta
[¿¼ÑÐ] 070300£¬Ò»Ö¾Ô¸±±º½320Çóµ÷¼Á +3 Jerry0216 2026-03-22 5/250 2026-03-23 09:16 by ¡£¡£ÌÃÌÃ
[¿¼ÑÐ] Ò»Ö¾Ô¸070300Õã´ó»¯Ñ§358·Ö£¬Çóµ÷¼Á£¡ +4 ËÖËÖÓã.. 2026-03-21 4/200 2026-03-23 08:12 by Iveryant
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û