ij·ÄÖ¯³§µÄÒ»¸ö³µ¼äÓÐn(n£¾7£¬n¡ÊN)̨֯²¼»ú£¬±àºÅ·Ö±ðΪ1£¬2£¬3£¬¡­¡­£¬n£¬¸Ã³µ¼äÓм¼Êõ¹¤ÈËnÃû£¬±àºÅ·Ö±ðΪ1£¬2£¬3£¬¡­¡­£¬n£®¶¨Òå¼ÇºÅaij£¬Èç¹ûµÚiÃû¹¤È˲Ù×÷Á˵ÚjºÅÖ¯²¼»ú£¬´Ëʱ¹æ¶¨aij£½1£¬·ñÔòaij£½0£®ÈôµÚ7ºÅÖ¯²¼»úÓÐÇÒ½öÓÐÒ»È˲Ù×÷£¬Ôòa17£«a27£«a37£«a47£«¡­¡­£«an7£½________£»Èôa31£«a32£«a33£«a34£«¡­¡­£«a3n£½2˵Ã÷£º________£®

´ð°¸£º
½âÎö£º

1,µÚÈýÃû¹¤È˲Ù×÷ÁË2̨֯²¼»ú


Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

14¡¢Ä³·ÄÖ¯³§µÄÒ»¸ö³µ¼äÓÐn£¨n£¾7£¬n¡ÊN*£©Ì¨Ö¯²¼»ú£¬±àºÅ·Ö±ðΪ1£¬2£¬3£¬¡­£¬n£¬¸Ã³µ¼äÓм¼Êõ¹¤ÈËnÃû£¬±àºÅ·Ö±ðΪ1£¬2£¬3£¬¡­£¬n£®¶¨Òå¼ÇºÅaij£¬Èç¹ûµÚiÃû¹¤È˲Ù×÷Á˵ÚjºÅÖ¯²¼»ú£¬´Ëʱ¹æ¶¨aij=1£¬·ñÔòaij=0£®ÈôµÚ7ºÅÖ¯²¼»úÓÐÇÒ½öÓÐÒ»È˲Ù×÷£¬Ôòa17+a27+a37+a47+¡­+an7=
1
£»Èôa31+a32+a33+a34+¡­+a3n=2£¬ËµÃ÷
a31£¬a32£¬a33£¬¡­£¬a3nÖÐÓÐÇÒ½öÓÐ2¸öֵΪ1£¬ÆäÓàֵΪ0£¬¼´µÚ3ºÅ¹¤È˲Ù×÷ÁË2̨֯²¼»ú
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

16¡¢Ä³·ÄÖ¯³§µÄÒ»¸ö³µ¼äÓÐn£¨n£¾7£¬n¡ÊN£©Ì¨Ö¯²¼»ú£¬±àºÅ·Ö±ðΪ1£¬2£¬3£¬¡­£¬n£¬¸Ã³µ¼äÓм¼Êõ¹¤ÈËnÃû£¬±àºÅ·Ö±ðΪ1£¬2£¬3£¬¡­£¬n£®¶¨Òå¼ÇºÅaij£¬Èç¹ûµÚiÃû¹¤È˲Ù×÷Á˵ÚjºÅÖ¯²¼»ú£¬´Ëʱ¹æ¶¨aij=1£¬·ñÔòaij=0£®ÔòÏÂÁÐÃüÌâÖÐËùÓÐÕýÈ·µÄÊÇ
¢Ù¢Ü

¢ÙÈôµÚ7ºÅÖ¯²¼»úÓÐÇÒÖ»ÓÐÒ»È˲Ù×÷£¬Ôòa17+a27+a37+¡­+an7=1£»
¢ÚÈôa11+a12+¡­+a1n+a21+a22+¡­+a2n=2£¬ËµÃ÷µÚ1¡¢2ºÅ¹¤È˸÷²Ù×÷һ̨֯²¼»ú£»
¢ÛÈôa11+a12+¡­+a1n+a21+a22+¡­+a2n=2£¬£¬ËµÃ÷µÚ1¡¢2ºÅÖ¯²¼»úÓÐÁ½¸ö¹¤È˲Ù×÷£»
¢Üa31+a32+a33+¡­+a3n=2£¬ËµÃ÷3ºÅ¹¤È˲Ù×÷ÁËÁ½Ì¨Ö¯²¼»ú£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

10¡¢Ä³·ÄÖ¯³§µÄÒ»¸ö³µ¼äÓм¼Êõ¹¤ÈËmÃû£¨m¡ÊN*£©£¬±àºÅ·Ö±ðΪ1¡¢2¡¢3¡¢¡­¡¢m£¬n̨£¨n¡ÊN*£©Ö¯²¼»ú£¬±àºÅ·Ö±ðΪ1¡¢2¡¢3¡¢¡­¡¢n£¬¶¨Òå¼ÇºÅaij£ºÈôµÚiÃû¹¤È˲Ù×÷Á˵ÚjºÅÖ¯²¼»ú£¬¹æ¶¨aij=1£¬·ñÔòaij=0£¬ÔòµÈʽa41+a42+a43+¡­+a4n=3µÄʵ¼ÊÒâÒåÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2013½ìÁÉÄþÊ¡¸ß¶þÏÂÆÚÖÐÀí¿ÆÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ij·ÄÖ¯³§µÄÒ»¸ö³µ¼äÓм¼Êõ¹¤ÈËÃû£¨£©£¬±àºÅ·Ö±ðΪ1¡¢2¡¢3¡¢¡­¡­¡¢£¬ÓÐ̨£¨£©Ö¯²¼»ú£¬±àºÅ·Ö±ðΪ1¡¢2¡¢3¡¢¡­¡­¡¢£¬¶¨Òå¼ÇºÅ£ºÈôµÚÃû¹¤È˲Ù×÷Á˵ںÅÖ¯²¼»ú£¬¹æ¶¨£¬  ·ñÔò£¬ÔòµÈʽµÄʵ¼ÊÒâÒåÊÇ£¨    £©

A£®µÚ4Ãû¹¤È˲Ù×÷ÁË3̨֯²¼»ú£»          B£®µÚ4Ãû¹¤È˲Ù×÷ÁĘ̈֯²¼»ú£»

C£®µÚ3Ãû¹¤È˲Ù×÷ÁË4̨֯²¼»ú£»          D£®µÚ3Ãû¹¤È˲Ù×÷ÁĘ̈֯²¼»ú.

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2013½ì°²»ÕÊ¡¸ß¶þÏÂѧÆÚÆÚÖп¼ÊÔÀí¿ÆÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ij·ÄÖ¯³§µÄÒ»¸ö³µ¼äÓм¼Êõ¹¤ÈËÃû£¨£©£¬±àºÅ·Ö±ðΪ1¡¢2¡¢3¡¢¡­¡­¡¢£¬ÓÐ̨£¨£©Ö¯²¼»ú£¬±àºÅ·Ö±ðΪ1¡¢2¡¢3¡¢¡­¡­¡¢£¬¶¨Òå¼ÇºÅ£ºÈôµÚÃû¹¤È˲Ù×÷Á˵ںÅÖ¯²¼»ú£¬¹æ¶¨£¬   ·ñÔò£¬ÔòµÈʽµÄʵ¼ÊÒâÒåÊÇ£¨    £©

A¡¢µÚ4Ãû¹¤È˲Ù×÷ÁË3̨֯²¼»ú£»          B¡¢µÚ4Ãû¹¤È˲Ù×÷ÁĘ̈֯²¼»ú£»

C¡¢µÚ3Ãû¹¤È˲Ù×÷ÁË4̨֯²¼»ú£»          D¡¢µÚ3Ãû¹¤È˲Ù×÷ÁĘ̈֯²¼»ú.

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸