Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 2275  |  »Ø¸´: 12
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

µ½Ê±ºò

Òø³æ (СÓÐÃûÆø)

[½»Á÷] ¹ØÓÚÏßÐÔ´úÊý ÒÑÓÐ4È˲ÎÓë

ÓÐÒ»¸öÌâÄ¿
AΪһ¸öÖÈΪ2µÄ3½×·½ÕóÕó£¬ÇÒÓÐA2-5A+6E=O£¬ÇóAµÄÌØÕ÷Öµ¡£
ÎҵĴð°¸ÊÇ0,2,3.Ò²¾ÍÊÇ˵ÎÒÓÐÒ»¸ö½áÂÛ
   A£¬B¾ùΪ²»ÎªÁãµÄ·½Õó£¬ÈôAB=O£¬ÄÇôÓÐ|A|=|B|
ÊÇÕýÈ·µÄÂ𣿣¬ÈôÊÇÔõô֤Ã÷£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

µ½Ê±ºò

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Â¥: Originally posted by math2000 at 2012-01-02 21:24:08:
"AΪһ¸öÖÈΪ2µÄ3½×·½ÕóÕó£¬ÇÒÓÐA2-5A+6E=O£¬ÇóAµÄÌØÕ÷Öµ¡£"
--ÓÉ´ËÌõ¼þÍÆ³ö x^2-5x+6ÊÇAµÄÁ㻯¶àÏîʽ£¬ÓÖ x^2-5x+6=£¨x-2£©£¨x-3£©
ÇÒAµÄÖÈΪ2£¬ËùÒÔAµÄÌØÕ÷ÖµÇé¿ö·ÖΪÈýÖÖÇé¿ö£º
1£©0£¬2£¬2
2£©0 ...

ÓÉA²-5A+6E=0¿ÉÍÆ³ö£¨A-2E)£¨A-3E£©=0,ÔòÓÐ|A¡ª2E||A¡ª3E|=0£¬ÓÖÓÉÓÚÖÈΪ2£¬ÄÇôA¡ª2E£¬A¡ª3EÊÇ·ÇÁã·½Õó£¬ÄÇôÓÐ|A-2E|=|B-3E|=0£¬ÄÇô¡¤2,3Ó¦¸Ã¶¼ÊÇËûµÄÌØÕ÷Öµ
С¥һҹÌý´ºÓê
7Â¥2012-01-02 21:38:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 13 ¸ö»Ø´ð

xuyx_78

½ð³æ (СÓÐÃûÆø)

¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
soliton923(½ð±Ò+2): лл²ÎÓëÌÖÂÛ~~~ 2012-01-02 21:02:15
ÈôAÓëBÖÁÉÙÓÐÒ»¸ö¿ÉÄæ£¬²»·ÁÉèA¿ÉÄæ£¬ÔòÓÉAB=OÁ¢¼´µÃB=O.Òò´ËÓÉÒÑÖªA,B²»ÎªÁã¾ØÕó£¬Á¢¼´¿ÉÖªA,B¾ù²»¿ÉÄæ£¬´Ó¶ø|A|=|B|=0.
2Â¥2012-01-02 14:39:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wjchen

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
soliton923(½ð±Ò+2): лл²ÎÓëÌÖÂÛ~~~ 2012-01-02 21:02:21
ÒòΪAB=O, ËùÒÔR(A)+R(B)<=n, ¶øA,B¶¼ÊÇ·ÇÁãµÄ£¬R(A)>=1,R(B)>=1,
´Ó¶øR(A)
3Â¥2012-01-02 20:00:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

µ½Ê±ºò

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Â¥: Originally posted by wjchen at 2012-01-02 20:00:49:
ÒòΪAB=O, ËùÒÔR(A)+R(B)<=n, ¶øA,B¶¼ÊÇ·ÇÁãµÄ£¬R(A)>=1,R(B)>=1,
´Ó¶øR(A)<n , R(B)<n, ¹Ê¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£

ΪºÎ´ÓAB=O¿ÉÍÆ³ö R(A)+B(B)<=n
С¥һҹÌý´ºÓê
4Â¥2012-01-02 21:19:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷½»»úеר˶Çóµ÷¼Á +9 ÇóÉϰ¶µÄСÍõ 2026-04-10 9/450 2026-04-13 16:08 by jiangguiquan11
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703»¯Ñ§ 346·ÖÇóµ÷¼Á +26 ÍÁ¶¹er? 2026-04-09 29/1450 2026-04-13 15:15 by ¶À×íÃι³Ç
[¿¼ÑÐ] 335Çóµ÷¼Á +18 ÏëÉϰ¶Ñ½£¡£¡ 2026-04-12 19/950 2026-04-13 14:15 by ÕÅzhihao
[¿¼ÑÐ] Ò»Ö¾Ô¸0807 ÊýÒ»Ó¢Ò» 313 ÓÐûÓжþÂÖµ÷¼Á +12 emokidd 2026-04-08 13/650 2026-04-13 08:32 by lhj2009
[¿¼ÑÐ] 322Çóµ÷¼Á£¬08¹¤¿Æ +4 ½ñÌìÊǸöСºÅ 2026-04-08 4/200 2026-04-13 00:20 by baobaoye
[¿¼ÑÐ] 22408µ÷¼Á315·Ö +3 zhuangyan123 2026-04-09 3/150 2026-04-12 00:25 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 ban°àСÆß 2026-04-11 3/150 2026-04-11 20:48 by may_ÐÂÓî
[¿¼ÑÐ] 343Çóµ÷¼Á +9 Íõ¹ú˧ 2026-04-10 9/450 2026-04-11 20:31 by dongdian1
[¿¼ÑÐ] 359Çóµ÷¼Á +5 θ¾·ÂÎÀÛÁË 2026-04-11 5/250 2026-04-11 19:55 by lbsjt
[¿¼ÑÐ] 085501»úеר˶ 302·Ö ²»ÌôרҵÇóµ÷¼Á +7 Íôij. 2026-04-09 7/350 2026-04-11 14:37 by luhong1990
[¿¼ÑÐ] 085410 273·Öµ÷¼Á +4 X1999 2026-04-09 4/200 2026-04-11 13:05 by pies112
[¿¼ÑÐ] 298Çóµ÷¼Á +5 ²ÐºÉÐÂÁø 2026-04-07 5/250 2026-04-11 11:02 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 0854µ÷¼Á +5 ÒôÏñµêÌý»¨¹ÄÏ· 2026-04-10 5/250 2026-04-11 10:49 by qingpingzhu
[¿¼ÑÐ] 085800 ÄÜÔ´¶¯Á¦Çóµ÷¼Á +6 °¢biu°¡°¡°¡°¡°¡ 2026-04-10 6/300 2026-04-10 15:03 by hemengdong
[¿¼ÑÐ] ³õÊÔ·Ö332£¬Ò»Ö¾Ô¸±¨¿¼Î÷±±¹¤Òµ´óѧ£¬ +11 ¹ÊÈË?? 2026-04-09 11/550 2026-04-09 21:54 by JineShine
[¿¼ÑÐ] ²ÄÁÏר˶³õÊÔ·Ö332Ò»Ö¾Ô¸Î÷±±¹¤Òµ´óѧ£¬ +12 ¹ÊÈË?? 2026-04-09 12/600 2026-04-09 18:34 by Ccclqqq
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©µ÷¼Á +7 awwwwwooooo 2026-04-09 7/350 2026-04-09 13:31 by ±±¼«159263
[¿¼ÑÐ] 259Çóµ÷¼Á +5 ¾Í°®³ÔÍÁ¶¹Ñ½Ñ½ 2026-04-07 5/250 2026-04-07 22:40 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷µç085401Çóµ÷¼Á +4 sunw1306 2026-04-07 4/200 2026-04-07 16:40 by à£à£à£0119
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û