1¡¢ÒÑ֪ȫ¼¯ £¬¼¯ºÏ ≤ Ôò £¨C_UB£©Îª

A£®   B£® ≥     C£®  D£® ≥

2¡¢ÒÑÖªÖ±Ïß Æ½Ãæ £¬Ö±Ïß Æ½Ãæ £¬¸ø³öÏÂÁÐÃüÌâ:£¨1£©

£¨2£©  £¨3£©   £¨4£© ÆäÖÐÕýÈ·ÃüÌâµÄÐòºÅÊÇ

A¡¢£¨1£©£¨2£©£¨3£©    B¡¢£¨2£©£¨3£©£¨4£©    C¡¢£¨2£©£¨4£©    D¡¢£¨1£©£¨3£©

3¡¢½«º¯Êý µÄͼÏó°´ÏòÁ¿ ƽÒƺ󣬵õ½ µÄͼÏó£¬Ôò  £¨    £©

    A£® =£¨1£¬2£©    B£® =£¨1£¬£­2£©  C£® =£¨£­1£¬2£©    D£® =£¨£­1£¬£­2£©

4¡¢µÈ²îÊýÁÐ µÄ¹«²î £¬Èô Óë µÄµÈ±ÈÖÐÏÔò £¨   £©

A£®2               B£®4               C£®6        D£®8

5¡¢ÉèËæ»ú±äÁ¿ ¡«B(2,p),  ¡«B(4,p),Èô £¬Ôò µÄֵΪ