| ²é¿´: 678 | »Ø¸´: 7 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
ygq_611ͳæ (³õÈëÎÄ̳)
|
[½»Á÷]
¡¾ÇóÖú¡¿Î¢·Ö·½³Ì
|
||
|
ay^2y'+by+c=0 a¡¢b¡¢c¾ùΪ³£Êý¡£y^2ÊÇyµÄƽ·½ [ Last edited by cadick on 2009-12-12 at 02:56 ] |
» ²ÂÄãϲ»¶
ÖØÇì½»´ó26Äê˶ʿÉúÕÐÉúÄâµ÷¼Á֪ͨÒѳö£¡»¶Ó¼ÓÈë¹â×Óѧ΢½á¹¹ÓëÆ÷¼þ¿ÎÌâ×é¡£
ÒѾÓÐ0È˻ظ´
UJNÎïÀíѧרҵµ÷¼Á
ÒѾÓÐ12È˻ظ´
ÎïÀíѧIÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ266È˻ظ´
0702Ò»Ö¾Ô¸¼ª´óBÇøÇóµ÷¼Á ±¾¿ÆÆÚ¼ä·¢±íһƪSci
ÒѾÓÐ0È˻ظ´
±±¾©ÄÉÃ×ÄÜÔ´ÓëϵͳÑо¿ËùÍõÖÐÁÖԺʿ/²ÜÄÏÓ±Ñо¿Ô±¿ÎÌâ×éÕÐÊÕ2026˶ʿÑо¿Éú1Ãû
ÒѾÓÐ0È˻ظ´
ɽÎ÷´óͬ´óѧÎïÀíѧ˶ʿÑо¿ÉúÕÐÊÕµ÷¼ÁÉú
ÒѾÓÐ0È˻ظ´
[µ÷¼ÁÐÅÏ¢]211ÖÇÄÜÈ˹¤¸ÐÖª·½Ïò¹ú¼ÒÇàÄêÌØÆ¸×¨¼Ò¿ÎÌâ×éÕÐÊÕµ÷¼ÁÑо¿Éú
ÒѾÓÐ0È˻ظ´
£Ûµ÷¼ÁÐÅÏ¢£Ý211ÖÇÄÜÈ˹¤¸ÐÖª·½Ïò¹ú¼ÒÇàÄêÌØÆ¸×¨¼Ò¿ÎÌâ×éÕÐÊÕµ÷¼ÁÑо¿Éú
ÒѾÓÐ0È˻ظ´
[µ÷¼ÁÐÅÏ¢]211ÖÇÄÜÈ˹¤¸ÐÖª·½Ïò¹ú¼ÒÇàÄêÌØÆ¸×¨¼Ò¿ÎÌâ×éÕÐÊÕµ÷¼ÁÑо¿Éú
ÒѾÓÐ0È˻ظ´
Ò»Ö¾Ô¸ÎïÀíËùÄý¾Û̬ÎïÀí352Çóµ÷¼Á
ÒѾÓÐ0È˻ظ´
qianyang
Ìú¸Ëľ³æ (СÓÐÃûÆø)
- Ó¦Öú: 24 (СѧÉú)
- ½ð±Ò: 6793.9
- É¢½ð: 31
- ºì»¨: 4
- Ìû×Ó: 285
- ÔÚÏß: 685.1Сʱ
- ³æºÅ: 713499
- ×¢²á: 2009-03-03
- ÐÔ±ð: GG
- רҵ: ÎÞ»úÄÉÃ×»¯Ñ§
¡ï
dongdong3881(½ð±Ò+0,VIP+0):лл½»Á÷ 10-15 18:02
dongdong3881(½ð±Ò+0,VIP+0): 10-15 18:09
mingdong(½ð±Ò+1,VIP+0):¸Ðл½»Á÷£¡ 10-16 10:55
dongdong3881(½ð±Ò+0,VIP+0):лл½»Á÷ 10-15 18:02
dongdong3881(½ð±Ò+0,VIP+0): 10-15 18:09
mingdong(½ð±Ò+1,VIP+0):¸Ðл½»Á÷£¡ 10-16 10:55
| Õâ¸ö·½³ÌºÜÄѽâµÄ.Èç¹ûÊÇÊýÖµµÄ»°,×îºÃÓõü´ú·¨,¹¤³ÌÉ϶¼ÊÇÔõôŪµÄ, |
7Â¥2009-10-15 17:49:11
jryboy
Òø³æ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 535.4
- Ìû×Ó: 133
- ÔÚÏß: 8.7Сʱ
- ³æºÅ: 646320
- ×¢²á: 2008-11-05
- רҵ: »¯Ñ§·´Ó¦¹¤³Ì
¡ï
mingdong(½ð±Ò+1,VIP+0):¸Ðл½»Á÷£¡ 10-14 00:34
mingdong(½ð±Ò+1,VIP+0):¸Ðл½»Á÷£¡ 10-14 00:34
ÔÎËÀ£¬ÊÇ»ù±¾µÄ΢·Öʽ£¬Èç¹ûû¼Ç´íµÄ»°¿ÉÒÔÖ±½ÓÌ×¹«Ê½µÄ |
2Â¥2009-10-13 22:51:18
heshun
ͳæ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 126.6
- É¢½ð: 71
- Ìû×Ó: 85
- ÔÚÏß: 32.3Сʱ
- ³æºÅ: 653479
- ×¢²á: 2008-11-13
- ÐÔ±ð: GG
- רҵ: ´ß»¯»¯Ñ§
¡ï
mingdong(½ð±Ò+1,VIP+0):thanks£¡ 10-14 00:34
mingdong(½ð±Ò+1,VIP+0):thanks£¡ 10-14 00:34
, yes , you can find answer in any math books |

4Â¥2009-10-13 23:40:26
ygq_611
ͳæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1237
- Ìû×Ó: 26
- ÔÚÏß: 3.5Сʱ
- ³æºÅ: 759880
- ×¢²á: 2009-04-29
6Â¥2009-10-15 08:19:07














»Ø¸´´ËÂ¥
, yes , you can find answer in any math books