Question

1£®Ä³Éú̬ѧ¼Ò¶Ôij³ØÌÁÉú̬ϵͳµÄÓªÑø½á¹¹ºÍÄÜÁ¿Á÷¶¯Çé¿ö½øÐÐÁ˵÷²é£¬Í¼¼×±íʾº¬ÓдóÁ¿ÔåÀà¡¢µ×²ãË®²Ý¼°Í¦Ë®Ö²Î«Ýï¡¢ÏãÁ«£©µÄÐÂÐͳØÌÁÉú̬ϵͳģʽͼ£®Í¼ÒÒÖÐa¡«d±íʾÔåÀàºÍöãÓãÄÜÁ¿Á÷¶¯¹ý³ÌÖв»Í¬È¥ÏòÄÜÁ¿µÄÏà¶ÔÖµ£®

£¨1£©¸ù¾Ýͼ¼×»Ø´ðÎÊÌ⣺
¢ÙÔÚ¸ÃʳÎïÍøÖУ¬ÈËÕ¼ÓÐ3¸öÓªÑø¼¶£»ÓëÏãÁ«¾ºÕù×ÁÒµÄÉúÎïÊÇ«Ý
¢ÚË®ÉúÖ²ÎïµÄ·Ö²¼ÌåÏÖ³öÁËȺÂä¿Õ¼ä½á¹¹ÖеĴ¹Ö±ÏÖÏó£®
¢ÛÔÚÈ˹¤Ó°ÏìÏ£¬³ØÌÁµÄÎïÖÖÖ𽥷ḻ£¬ÆäȺÂäÑÝÌæÀàÐÍÊÇ´ÎÉúÑÝÌ棻Èç¹ûÓãÀà´óÁ¿ËÀÍö£¬·Ö½âÕßµÄÊýÁ¿±ä»¯Çé¿öÊÇÏÈÔöºó¼õ£®
£¨2£©ÈôͼÒÒÖÐc₁=a₂+b₂+c₂+d₂£¬Ôò´ÓÔåÀൽöãÓãµÄÄÜÁ¿´«µÝЧÂÊΪ$\frac{{c}_{1}}{{a}_{1}{+b}_{1}{+c}_{1}{+d}_{1}}$£¨Óù«Ê½±íʾ£©£®

Answer 1

·ÖÎö ¸ù¾ÝÌâÒâºÍͼʾ·ÖÎö¿ÉÖª£ºÍ¼¼×ÖУ¬¿ÕÐIJˡ¢´óÁ¿ÔåÀà¡¢µ×²ãË®²Ý¼°Í¦Ë®Ö²Îï«ÝïºÍÏãÁ«¶¼ÊôÓÚÉú²úÕߣ¬³æÀà¡¢Óã¡¢ÖíºÍÈËÊôÓÚÏû·ÑÕߣ¬Ï¸¾úÊôÓÚ·Ö½âÕߣ®Í¼ÒÒÖУºa¡«d±íʾÔåÀàºÍöãÓãÄÜÁ¿Á÷¶¯¹ý³ÌÖв»Í¬È¥ÏòÄÜÁ¿µÄÏà¶ÔÖµ£®

½â´ð ½â£º£¨1£©¢ÙÈËÊôÓÚµÚÈý¡¢ËÄ¡¢ÎåÓªÑø¼¶£¬¹²Õ¼ÓÐ3¸öÓªÑø¼¶£®ÏãÁ«ºÍ«ÝïµÄÉú»î»·¾³ºÍʳÎïµÈ»ù±¾Ïàͬ£¬¹ÊÓëÏãÁ«¾ºÕù×ÁÒµÄÉúÎïÊÇ«Ý
¢Úͼ¼×±íʾº¬ÓдóÁ¿ÔåÀà¡¢µ×²ãË®²Ý¼°Í¦Ë®Ö²Î«Ýï¡¢ÏãÁ«£©µÄÐÂÐͳØÌÁÉú̬ϵͳģʽͼ£¬¹ÊË®ÉúÖ²ÎïµÄ·Ö²¼ÌåÏÖ³öÁËȺÂä¿Õ¼ä½á¹¹ÖеĴ¹Ö±ÏÖÏó£®
¢Û´ÎÉúÑÝÌæÊÇÖ¸ÔÚÔ­ÓÐÖ²±»ËäÒѲ»´æÔÚ£¬µ«Ô­ÓÐÍÁÈÀÌõ¼þ»ù±¾±£ÁôÉõÖÁ»¹±£ÁôÁËÖ²ÎïµÄÖÖ×Ó»òÆäËû·±Ö³Ì壨È緢ѿµØϾ¥£©µÄµØ·½·¢ÉúµÄÑÝÌ森¹ÊÔÚÈ˹¤Ó°ÏìÏ£¬³ØÌÁµÄÎïÖÖÖ𽥷ḻ£¬ÆäȺÂäÑÝÌæÀàÐÍÊÇ´ÎÉúÑÝÌ森Èç¹ûÓãÀà´óÁ¿ËÀÍö£¬·Ö½âÕßµÄÊýÁ¿±ä»¯Çé¿öÊÇÏÈÔöºó¼õ£®
£¨2£©£©ÄÜÁ¿´«µÝЧÂʵÈÓÚͬ»¯Á¿ÓëÉÏÒ»ÓªÑø¼¶Ëùº¬ÄÜÁ¿µÄ±ÈÖµ£®ÔåÀàµÄ×ÜÄÜÁ¿Îªa₁+b₁+c₁+d₁£¬öãÓãͬ»¯µÄÄÜÁ¿Îªc₁£¬ËùÒÔ´ÓÔåÀൽöãÓãµÄÄÜÁ¿´«µÝЧÂÊΪ$\frac{{c}_{1}}{{a}_{1}{+b}_{1}{+c}_{1}{+d}_{1}}$£®
¹Ê´ð°¸Îª£º
£¨1£©¢Ù3         Â«Ýï
¢Ú´¹Ö±
¢Û´ÎÉúÑÝÌæ      ÏÈÔöºó¼õ
£¨2£©$\frac{{c}_{1}}{{a}_{1}{+b}_{1}{+c}_{1}{+d}_{1}}$

µãÆÀ ±¾Ìâ×ۺϿ¼²éÁËÉú̬ϵͳÖÐÄÜÁ¿Á÷¶¯µÄÏà¹Ø֪ʶ£¬ÒâÔÚ¿¼²é¿¼ÉúÄÜÀí½âËùѧ֪ʶµÄÒªµã£¬°ÑÎÕ֪ʶ¼äµÄÄÚÔÚÁªÏµ£»ÀíÂÛÁªÏµÊµ¼Ê£¬×ÛºÏÔËÓÃËùѧ֪ʶ½â¾ö×ÔÈ»½çºÍÉç»áÉú»îÖеÄһЩÉúÎïѧÎÊÌâµÄÄÜÁ¦ºÍ´ÓÌâÄ¿Ëù¸øµÄͼÐÎÖлñÈ¡ÓÐЧÐÅÏ¢µÄÄÜÁ¦£®