Question

Ïà¹Ø²¿ÃŶÔÌøË®Ô˶¯Ô±½øÐдï±ê¶¨¼¶¿¼ºË£¬¶¯×÷×ÔÑ¡£¬²¢¹æ¶¨Íê³É¶¯×÷³É¼¨ÔÚ°Ë·Ö¼°ÒÔÉϵĶ¨Îª´ï±ê£¬³É¼¨Ôھŷּ°ÒÔÉϵĶ¨ÎªÒ»¼¶Ô˶¯Ô±. ÒÑÖª²Î¼Ó´Ë´Î¿¼ºËµÄ¹²ÓÐ56ÃûÔ˶¯Ô±.
£¨1£©¿¼ºË½áÊøºó£¬´Ó²Î¼Ó¿¼ºËµÄÔ˶¯Ô±ÖÐËæ»ú³éÈ¡ÁË8ÈË£¬·¢ÏÖÕâ8ÈËÖÐÓÐ2ÈËûÓдï±ê£¬ÓÐ3ÈËΪһ¼¶Ô˶¯Ô±£¬¾Ý´ËÇë¹À¼Æ´Ë´Î¿¼ºËµÄ´ï±êÂʼ°±»¶¨ÎªÒ»¼¶Ô˶¯Ô±µÄÈËÊý£»
£¨2£©¾­¹ý¿¼ºË£¬¾ö¶¨´ÓÆäÖеÄA¡¢B¡¢C¡¢D¡¢EÎåÃûÒ»¼¶Ô˶¯Ô±ÖÐÈÎÑ¡2Ãû²Î¼ÓÌøË®±ÈÈü£¨ÕâÎåλÔ˶¯Ô±Ã¿Î»±»Ñ¡ÖеĿÉÄÜÐÔÏàͬ£©. д³öËùÓпÉÄÜÇé¿ö£¬²¢ÇóÔ˶¯Ô±E±»Ñ¡ÖеĸÅÂÊ.

Answer 1

(1) ´ï±êÂÊΪ£¬Ò»¼¶Ô˶¯Ô±Ô¼ÓÐ21ÈË£»£¨2£©×éºÏ¼ûÊÔÌâ½âÎö£¬¸ÅÂÊΪ.

ÊÔÌâ·ÖÎö£º£¨1£©Õâʵ¼ÊÉÏÊÇÓÃÑù±¾¹ÀËã×ÜÌåµÄÎÊÌ⣬ֻҪ¶ÁÕß°´±ÈÀý¼ÆËã¼´¿É£»£¨2£©Õâʵ¼ÊÉÏÊÇд³ö´Ó5¸öÔªËØÖÐÈÎÈ¡2¸öµÄËùÓÐ×éºÏµÄÎÊÌ⣬Êéдʱ£¬×¢Òâ°´ÕÕÒ»¶¨µÄ˳Ðò£¬ÀýÈçÏÈÑ¡A£¬È»ºóÔÙÒÀ´ÎÑ¡ÆäËûÈË£¬Ð´³öº¬ÓÐAµÄËùÓÐ×éºÏ£¬È»ºóÏÈÑ¡B£¬ÔÙÒÀ´ÎÑ¡BºóÃæµÄÈË£¬Ð´³öËùÓÐ×éºÏ£¬ÒÀ´ËÀàÍÆд³öËùÓÐÇéÐΣ¬×öµ½²»Öز»Â©.½ÓÏÂÀ´Ö»ÒªÕÒµ½º¬ÓÐEµÄʼþµÄ×ÜÊý£¬¸ù¾Ý¹Åµä¸ÅÐ͵ĽáÂÛ£¬ºÜ¿ì¿ÉÇó³ö¸ÅÂÊ.
ÊÔÌâ½âÎö£º£¨¢ñ£©ÒÀÌâÒ⣬¹À¼Æ´Ë´Î¿¼ºËµÄ´ï±êÂÊΪ
Ò»¼¶Ô˶¯Ô±Ô¼ÓУ¨ÈË£©
£¨¢ò£©ÒÀÌâÒ⣬´ÓÕâÎåÈËÖÐÑ¡2È˵Ļù±¾Ê¼þÓУº£¨A¡¢B£©£¨A¡¢C£©£¨A¡¢D£©£¨A¡¢E£©
£¨B¡¢C£©£¨B¡¢D£©£¨B¡¢E£©£¨C¡¢D£©£¨C¡¢E£©£¨D¡¢E£©£¬¹²10¸ö
ÆäÖС°E±»Ñ¡ÖС±°üº¬£º£¨A¡¢E£©£¨B¡¢E£©£¨C¡¢E£©£¨D¡¢E£©4¸ö»ù±¾Ê¼þ£¬
Òò´ËËùÇó¸ÅÂÊ