×îÐÂÏßÐÔ´úÊý¸´Ï°ÊÔÌâ £¨Ô¶þ½ÌÎÄÓ¡ÖÐÐÄ£©ÏÖÔÚ°áǨÖÁѧÉú»î¶¯ÖÐÐÄÂ¥ÏÂ
2011-2012 A
Ò»¡¢Ñ¡ÔñÌ⣨ÿСÌâ 3 ·Ö£¬¹² 15 ·Ö¡£Ç뽫´ð°¸ÌîÔÚÏÂÃæµÄ±í¸ñÄÚ£©
*1¡¢ÉèAΪn½×·½Õó£¬ÇÒA?a?0£¬Ôò2A=£¨ £©.
2n2(n?2)nn?1A ¡¢2a B ¡¢ C¡¢ a D¡¢ 2a
a2¡¢ÉèA,BΪn½×¾ØÕó£¬ÔòÏÂÁв»ÕýÈ·µÄÊÇ£¨ £©.
A¡¢AB?BA B ¡¢ÈôAB?0£¬ÔòA?0»òB?0
C¡¢(A?B)T?AT?BT D ¡¢(AB)?1?B?1A?1
3¡¢ÏòÁ¿×é?1,?2,?,?s(s?2)ÏßÐÔÏà¹ØµÄ³äÒªÌõ¼þÊÇ£¨ £©. A¡¢ ?1,?2,?,?sÖÐÖÁÉÙÓÐÒ»¸öÁãÏòÁ¿ B¡¢?1,?2,?,?sÖÐÖÁÉÙÓÐÁ½¸öÏòÁ¿³É±ÈÀý
C¡¢?1,?2,?,?sÖÐÖÁÉÙÒ»¸öÏòÁ¿¿ÉÓÉÆäÓàÏòÁ¿ÏßÐÔ±íʾ
D¡¢?1,?2,?,?sÖÐÿһ¸öÏòÁ¿¿ÉÓÉÆäÓàÏòÁ¿ÏßÐÔ±íʾ
4¡¢ÉèAΪm?n¾ØÕó£¬Æë´ÎÏßÐÔ·½³Ì×éAX?0½öÓÐÁã½âµÄ³äÒªÌõ¼þÊÇ£¨ £©. A¡¢AµÄÁÐÏòÁ¿ÏßÐÔÎÞ¹Ø B¡¢AµÄÁÐÏòÁ¿ÏßÐÔÏà¹Ø
C¡¢AµÄÐÐÏòÁ¿ÏßÐÔÎÞ¹Ø D¡¢AµÄÐÐÏòÁ¿ÏßÐÔÏà¹Ø
?11?3???5¡¢ÉèA?1x2ÇÒA µÄÌØÕ÷ֵΪ?1??2?2£¬?3?1Ôòx=£¨ £©. ????241?? A¡¢ 1 B¡¢ 2 C¡¢ 3 D¡¢ 4
¶þ¡¢Ìî¿ÕÌ⣨ÿÌâ 3 ·Ö£¬¹² 15 ·Ö£©
1¡¢ÈôÈý½×·½ÕóAµÄÌØÕ÷ֵΪΪ .
???011???
2¡¢¾ØÕóA??021? ÔòA?1= .
?1??00??3??1?1£¬?2??1£¬?3?2£¬ÔòA*?5A?2EµÄÖµ
3¡¢ÒÑÖªÏòÁ¿×éa1,a2,a3,a4ÏßÐÔÎ޹أ¬ÈôÏòÁ¿×éa1?a2,a2?a3,a3?a4,a4?a1µÄÏßÐÔÏà¹ØÐÔΪ .
T4¡¢ÉèA B¾ùΪ3½×·½Õó£¬ÇÒA?3£¬B?5£¬Ôò2BA?| .
?30?2???5¡¢¾ØÕóA??023?¶ÔÓ¦µÄ¶þ´ÎÐÍÊÇf(x1,x2,x3)?_______________
??231???.Èý¡¢Çó½âÏÂÁÐÐÐÁÐʽ»ò¾ØÕó
£¨µÚ1,2Ìâ 8 ·Ö£¬µÚ3Ìâ10·Ö£¬¹² 26·Ö£©
37 / 50
×îÐÂÏßÐÔ´úÊý¸´Ï°ÊÔÌâ £¨Ô¶þ½ÌÎÄÓ¡ÖÐÐÄ£©ÏÖÔÚ°áǨÖÁѧÉú»î¶¯ÖÐÐÄÂ¥ÏÂ
12011¡¢
13500156 . 1234
?101 2¡¢Èô¾ØÕóA????020??£¬ÇóA3
.
??001??
?033?3¡¢ÒÑÖªA=??110??£¬ÓÖAB?A?2B£¬ÇóB.
???123??
ËÄ¡¢Ö¤Ã÷Ì⣨ÿÌâ 8 ·Ö£¬¹² 8 ·Ö£©
ÒÑÖª?1,?2ÊÇÆë´ÎÏßÐÔ·½³Ì×éAX?0µÄÁ½¸öÏßÐÔÎ޹صĽ⣬AX?b,(b?0)µÄ½â£¬ÇóÖ¤?1,?2,?ÏßÐÔÎÞ¹Ø.
ÊÇ·ÇÆë´ÎÏßÐÔ·½³Ì×é 38 / 50
?×îÐÂÏßÐÔ´úÊý¸´Ï°ÊÔÌâ £¨Ô¶þ½ÌÎÄÓ¡ÖÐÐÄ£©ÏÖÔÚ°áǨÖÁѧÉú»î¶¯ÖÐÐÄÂ¥ÏÂ
Îå¡¢Çó½âÏÂÁз½³Ì×飨ÿÌâ 10 ·Ö£¬¹² 20 ·Ö£©
?x1?x2?x3?x4??1?1¡¢Çó·ÇÆë´ÎÏßÐÔ·½³Ì×é?4x1?3x2?5x3?x4??1µÄͨ½â.
?2x?x?3x?3x?134?12
2¡¢Éè4Ôª·ÇÆë´ÎÏßÐÔ·½³Ì×éAX?b,(b?0)µÄϵÊý¾ØÕóµÄÖÈΪ3£¬?1,?2,?3ÊÇ·ÇÆë´ÎÏßÐÔ·½?2???2?????13³Ì×éAX?b,(b?0)µÄÈý¸ö½âÏòÁ¿£¬ÇÒ?1??2???,?2??3???, Çó¸Ã·½³Ì×éµÄͨ½â ?3??2??????5??1?
Áù¡¢×ۺϼÆËãÌ⣨ÿÌâ 8 ·Ö£¬¹² 16 ·Ö£©
1¡¢ÉèÏòÁ¿×éΪ£º?1??3,?1,1?,T?2??3,?4,5?,?3??0,3,6?,TT?4???2,0,?2,?
TÇó¸ÃÏòÁ¿×éµÄÖȼ°ÆäÒ»¸ö×î´óÎÞ¹Ø×飬²¢½«²»ÊôÓÚ×î´óÏßÐÔÎÞ¹Ø×éµÄÏòÁ¿ÓÃ×î´óÏßÐÔÎÞ¹Ø×é
ÏßÐÔ±íʾ.
222¡¢ÒÑÖª¶þ´ÎÐÍf(x1,x2,x3)?x12?x2?x3?4x1x3?4x2x3 ÇóÒ»Õý½»±ä»»£¬°Ñ¶þ´ÎÐÍ»¯Îª±ê
×¼ÐÎ.
39 / 50
×îÐÂÏßÐÔ´úÊý¸´Ï°ÊÔÌâ £¨Ô¶þ½ÌÎÄÓ¡ÖÐÐÄ£©ÏÖÔÚ°áǨÖÁѧÉú»î¶¯ÖÐÐÄÂ¥ÏÂ
2011-2012 A ´ð°¸
Ò»¡¢Ñ¡ÔñÌ⣨ÿСÌâ 3 ·Ö£¬¹² 15·Ö¡£Ç뽫´ð°¸ÌîÔÚÏÂÃæµÄ±í¸ñÄÚ£© 1¡¢ D 2¡¢ B 3¡¢ C 4¡¢ A 5¡¢ C ¶þ¡¢Ìî¿ÕÌ⣨ÿÌâ3·Ö£¬¹² 15·Ö£©
?003??120 ?1101¡¢?55 2¡¢A?1???? 3¡¢ÏßÐÔÏà¹Ø 4¡¢
?2?10???225¡¢f?x??3x12?2x2?x3?4x1x3?6x2x3
Èý¡¢Çó½âÏÂÁÐÐÐÁÐʽ»ò¾ØÕ󣨵Ú1,2Ìâ 8 ·Ö£¬µÚ3Ìâ10·Ö£¬¹² 26·Ö£©
1¡¢
11 ½â£ºÀûÓÃÐÐÁÐʽµÄÐÔÖÊ£ºD?0123120553112001?601400015?1¡¡¡¡£¨2·Ö£© 563315?115?1°´µÚÒ»ÁÐÕ¹¿ª£ºD?156?007¡¡¡¡£¨4·Ö£©
033033ÔÙ°´µÚ¶þÁÐÕ¹¿ª£ºD?7?(?1)2?32¡¢
15??21¡¡¡¡£¨2·Ö£© 03?101??101??102?½â£ºÒòΪA2??020??020???0220?¡¡¡¡(4
???????001??001??001????????102??101??103???????A3?A2A??0220??020???0230?¡¡¡¡¡¡£¨4
?001??001??001???????·Ö)
·Ö£©
3¡¢
½â£º?A?2E?B?A¡¡¡¡£¨1·Ö£© B??A?2E??1¡¡¡¡£¨2·Ö£© A
40 / 50