ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Èçͼ£¬·½¸ñÖ½ÖеÄÿ¸öСÕý·½Ðεı߳¤¶¼ÊÇ1£¬Èý½ÇÐÎABCÈý¸ö¶¥µãÓë·½¸ñÖ½ÖÐСÕý·½ÐεĶ¥µãÖغϣ¬ÇëÔÚ·½¸ñÖ½Öзֱð»³ö·ûºÏÒªÇóµÄͼÐΣ¬¾ßÌåÒªÇóÈçÏ£º
(1)ÔÚͼ¢ÙÖÐƽÒÆÈý½ÇÐÎABC£¬µãAÒƶ¯µ½µãP£¬»³öƽÒƺóµÄÈý½ÇÐÎPMN£»
(2)ÔÚͼ¢ÚÖн«Èý½ÇÐÎABCÈý¸ö¶¥µãµÄºá¡¢×Ý×ø±ê¶¼¼õÈ¥2£¬»³öµÃµ½µÄÈý½ÇÐÎA1B1C1£»
(3)ÔÚͼ¢ÛÖн¨Á¢Êʵ±µÄƽÃæÖ±½Ç×ø±êϵ£¬ÇÒAµãµÄ×ø±êΪ(0£¬2)£¬CµãµÄ×ø±êΪ(1£¬5)£®
¡¾´ð°¸¡¿(1)¼û½âÎö£»(2)¼û½âÎö£»(3)¼û½âÎö.
¡¾½âÎö¡¿
£¨1£©¸ù¾ÝͼÐÎƽÒƵÄÐÔÖÊ»³ö¡÷PMN¼´¿É£»
£¨2£©ÏȰѸ÷µãºá¡¢×Ý×ø±ê¶¼¼õÈ¥2µÃ³ö¸÷µã×ø±ê£¬ÔÙÔÚ×ø±êϵÄÚÃè³ö¸÷µã£¬»³ö¡÷A1B1C1¼´¿É£»
£¨3£©ÀûÓÃA£¬Cµã×ø±ê¼´¿É½¨Á¢×ø±êϵµÃ³ö´ð°¸.
½â£ºÈçͼËùʾ£º
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿