Êýѧ¿ÎÉÏ£¬ÀîÀÏʦÏÈÈÃͬѧÃÇÁ˽âÁËÒÔÏÂ֪ʶ£º
ÒÑÖª£ºµÈ±ß¡÷ABC£¬EΪÏ߶ÎABÉÏÒ»µã£¬DΪÏ߶ÎCBÑÓ³¤ÏßÉÏÒ»µã£¬ED=EC£¬È·¶¨AEÓëBD´óС¹Øϵ£®
È»ºó³öʾÁËÈçÏÂÌâÄ¿£®Ð¡ÃôÓëͬ×ÀС´ÏÌÖÂۺ󣬽øÐÐÁËÈçϽâ´ð£º
£¨1£©ÌØÊâÇé¿ö£¬Ì½Ë÷½áÂÛ£¬µ±µãEΪABµÄÖеãʱ£¬Èçͼ1£¬È·¶¨Ï߶ÎAEÓëDBµÄ´óС¹Øϵ£®ÇëÄãÖ±½Óд³ö½áÂÛ£ºAE
DB£®£¨Ìî¡°£¾¡±£¬¡°£¼¡±»ò¡°=¡±£©
£¨2£©ÌØÀýÆô·¢£¬½â´ðÌâÄ¿£¬µ±EΪÏ߶ÎABÉÏÈÎÒâÒ»µã£¬ÆäÓàÌõ¼þ²»±ä£¬Èçͼ2£¬È·¶¨Ï߶ÎAEÓëDBµÄ´óС¹Øϵ£®
½â£ºÌâÄ¿ÖУ¬AEÓëDBµÄ´óС¹ØϵÊÇ£ºAE
DB£¨Ìî¡°£¾¡±£¬¡°£¼¡±»ò¡°=¡±£©£®²¢ËµÃ÷ÀíÓÉ£®
£¨3£©ÍØÕ¹½áÂÛ£¬Éè¼ÆÐÂÌâ
ÔڵȱßÈý½ÇÐÎABCÖУ¬µãEÔÚÖ±ÏßABÉÏ£¬µãDÔÚÖ±ÏßBCÉÏ£¬ÇÒED=EC£®Èô¡÷ABCµÄ±ß³¤Îª1£¬AE=2£¬ÇëÖ±½Óд³ö
CDµÄ³¤£®