ÒªÄÜÃ÷°×¶ÎÂäÓë¶ÎÂäÖ®¼äµÄ¹Øϵ£¬¿¼ÉúÓ¦´Ó¾ä×ÓÈëÊÖ£¬¼´Ñо¿Ò»¶Î»°ÀïÓÐ
¼¸¸ö¾ä×Ó£¬¾ä×ÓÖ®¼äÓÐʲôÁªÏµ£¬´Ó¶øÀí½â¶ÎÂäµÄÄÚÈݺͲã´Î¹Øϵ¡£

            ´ËÍ⣬¿¼Éú»¹Òª×¢ÒâÒ»¶Î»°µÄ¿ªÍ·Óë½á⣬ÕâÑù£¬¶ÔÈ«¶ÎÖÐÐÄÒâ˼µÄ×÷Óã¬
»áÓиüÉîµÄÌå»áÓëÁ˽⡣
 
 

1
 
 

P  ÎÒ×î°®Á«»¨ Q  ËüÄÇÇå´¿ÍÑË×µÄÃÀ R  ÔÚÖÚ¶àµÄ»¨¶äµ±ÖÐ S  ʹÆäËû»¨¶äΪ֮ѷɫ

ÒÔÉÏËĸö¾ä×Ó£¬¿ÉÒÔÅųÉÒ»¸öÓÐÌõÀíµÄ¶ÎÂä¡£ÏÂÁÐÄÄÒ»¸öÅÅÁÐ˳ÐòÊÇÕýÈ·µÄ£¿
A  P  R  Q  S        B  O   S   P   R        C  R  P  Q  S          D  S  Q  R  P
 

´ð°¸£º  C

·µ»Ø                                                                                                                        Á·Ï°