²é¿´: 951  |  »Ø¸´: 4

jiangwu8888

гæ (ÕýʽдÊÖ)


[½»Á÷] ¡¾ÇóÖú¡¿¸ßÒ»ÊýѧÌâ~

ÌØ±ðÊǵڶþÎÊ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

¹þ¹þÀï77

½ð³æ (СÓÐÃûÆø)


´ð°¸

jiangwu8888(½ð±Ò+7): 2011-02-07 16:21:01
µÚ¶þÎʹý³Ì
2Â¥2011-02-07 13:03:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Lavinia2067

ľ³æ (ÖøÃûдÊÖ)


¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
Ê×ÏȵÃÖªa>0£¬ÄÇô˵Ã÷º¯Êýf(x)¿ª¿ÚÏòÉÏ£»
ÇÒc=1£¬´úÈ룬µÃµ½f(x)=ax^2+bx+1;
f(0)=1£»
f(x)ÓÐ×îСֵf(-1)=0£¬½áºÏ¶þ´Îº¯ÊýµÄͼÏñµÃÖª¸Ã¶þ´Îº¯ÊýÖ»ÓÐÒ»¸öʵÊý¸ù£¬¼´-1£¬f(-1)=0£¬´úÈëµÃµ½£ºa-b+1=0;ÒÆÏàµÃa=b-1¡­¡­¢Ù£»
ÁíÍ⣬¿ª¿ÚÏòÉϵĶþ´Îº¯ÊýÓÐ×îСֵ£¬ÄÇô˵Ã÷µ±x=-1ÊÇËüµÄ¶Ô³ÆÖᣬÓÉΤ´ï¶¨ÀíµÃÖª-b/2a=-1¡ª>b=2a¡­¡­¢Ú£»
ÁªÁ¢¢Ù¢Ú½âµÃa=1£¬b=2£¬ÔòÔ­À´µÄ·½³ÌΪf(x)= x^2+2x+1=(x+1)^2;
ÁíÍâÕâ¸öÌâÄ¿¸ø³öÀ´µÄÄǸöF(x)µÄÓеãСÎÊÌ⣬Ӧ¸ÃÊÇ ,
ÄÇôµÚÒ»ÎÊF(2)+F(-2)=f(2)+£û-f(-2)£ý= f(2)-f(-2)= (2+1)^2-(-2+1)^2=9-1=8;
3Â¥2011-02-11 14:28:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nic111

ľ³æ (ÖøÃûдÊÖ)


¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
Ê×ÏÈÈ¥µô¾ø¶ÔÖµ£¬È»ºóÕë¶ÔÌõ¼þºã³ÉÁ¢£¬µÃµ½Ê½×ÓÊÇ´óÓÚ-1СÓî1µÄ£¬¸ù¾Ý»­Í¼´øÈ붨ÒåÓòÇó½â
4Â¥2011-02-13 19:46:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

houbajiao

°æÖ÷ (Ö°Òµ×÷¼Ò)


ºÃÏêϸ°¡
5Â¥2011-02-14 16:02:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ jiangwu8888 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8.O.55.1.O.54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 LIbGuocjEEYw 2026-08-26 4/200 2026-08-27 02:01 by Ie9AyIAvGbvs
[»ù½ðÉêÇë] ¿´°åÉÏÕâô¶àÖеģ¬ÓеãÏñ50ÈËȺÀï49¸öÈ˶¼ÊÇÆ­×ÓµÄÄÇÖָоõ¡­¡­ +3 a089 2026-08-26 3/150 2026-08-26 23:21 by young90
[»ù½ðÉêÇë] ÎÒ²»Àí½â£¡ +15 Edward_pc 2026-08-26 23/1150 2026-08-26 20:34 by zzuzxg
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +7 process2012 2026-08-23 10/500 2026-08-26 19:23 by hmhminy
[»ù½ðÉêÇë] ϵͳ²é²»µ½ +10 ¶­°Ëǧ 2026-08-26 10/500 2026-08-26 16:30 by Equinoxhua
[»ù½ðÉêÇë] 2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË +22 ÑòÑü°å 2026-08-21 25/1250 2026-08-26 15:00 by zuocuiping
[»ù½ðÉêÇë] ³öÀ´ÁË +9 trojank 2026-08-26 9/450 2026-08-26 14:25 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ÄÄλ¸ßÈËÖÐÁË£¬°Ñ²éѯµ½µÄ½ØÍ¼Ìù³öÀ´ÈÃÎÒ¿´¿´£¬ÈÃÎÒ³¤³¤¼ûʶ +4 yuleib84 2026-08-26 5/250 2026-08-26 13:40 by yuleib84
[»ù½ðÉêÇë] Ϊʲô¹ú×ÔÈ»²»ÄÜÖ±½Ó¹«²¼ +4 bjdxyxy 2026-08-26 4/200 2026-08-26 13:12 by qingmu1201
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +21 ÎÒ4´ó°×²Ë 2026-08-20 22/1100 2026-08-26 11:29 by nlgza
[»ù½ðÉêÇë] ¹úºÏÀïÃæÄÜ¿´µ½ÁË +7 Ò»»³Ü°Çï 2026-08-26 7/350 2026-08-26 11:23 by zhaosm1982
[»ù½ðÉêÇë] ¹ú¼ÊºÏ×÷¿É²éÁË£¬ÖÐÁËÃæÉÏ +18 Ldrop2023 2026-08-26 18/900 2026-08-26 11:15 by cmrandy
[»ù½ðÉêÇë] ½ñÌìÎñί»á¿ªÍêÁË£¬Ã÷Ìì³ö½á¹ûÂð +19 angus9576 2026-08-25 23/1150 2026-08-26 10:03 by zp519
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] Å£À´£¡Ã×À´£¡ÃæÀ´£¡ +8 beefly 2026-08-26 8/400 2026-08-26 08:37 by xuzhipiao
[»ù½ðÉêÇë] ÔÚ¼á±ù»¹¸Ç×ű±º£µÄʱºò£¬ÎÒ¿´µ½ÁËÅ­·ÅµÄ÷»¨¡£ (½ð±Ò+10) +6 ziyangfang 2026-08-25 9/450 2026-08-25 20:26 by huagongfeihu
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +6 chengyan1220 2026-08-23 6/300 2026-08-25 19:45 by zfd97
[»ù½ðÉêÇë] ½ñÈÕ²»·Å°ñ£¿Íø´«¹ú×ÔȻԤ¼Æ 8 Ô 27 Èտɲé½á¹û +17 ҽѧÀÏÄк¢ 2026-08-20 22/1100 2026-08-25 15:36 by ҽѧÀÏÄк¢
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
[»ù½ðÉêÇë] »ù½ð°¡»ù½ð +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û