ÌâÄ¿ÄÚÈÝ
ijʡ¸ß¿¼ÊýѧÔľíµã¹²ÓÐ400ÃûÔľíÀÏʦ£¬ÎªÁ˸ßЧµØÍê³ÉÎÄ¡¢Àí¿ÆÊýѧ¾íµÄÔľíÈÎÎñ£¬Ð轫400ÃûÔľíÀÏʦ·Ö³ÉÁ½×éͬʱչ¿ªÔÄ¾í¹¤×÷£¬Ò»×éÍê³É269À¦ÎÄ¿Æ¾í£¬ÁíÒ»×éÍê³É475À¦Àí¿Æ¾í£®¸ù¾ÝÀúÄêÔľí¾Ñ飬ÎÄ¿ÆÿÀ¦¾íÐèҪһλÔľíÀÏʦ¹¤×÷3ÌìÍê³É£¬Àí¿ÆÿÀ¦¾íÐèҪһλÔľíÀÏʦ¹¤×÷4ÌìÍê³É£®£¨¼Ù¶¨Ã¿Î»ÔľíÀÏʦ¹¤×÷Ò»ÌìµÄÔľíÁ¿Ïàͬ£¬Ã¿À¦¾íµÄ·ÝÊýÒ²Ïàͬ£©£¨1£©ÈçºÎ°²ÅÅÎÄ¡¢Àí¿ÆÔľíÀÏʦµÄÈËÊý£¬Ê¹µÃÈ«Ê¡ÊýѧÔľíʱ¼ä×îÊ¡£¿
£¨2£©ÓÉÓÚ½ñÄêÀí¿ÆÔľíÈÎÎñ½ÏÖØ£¬Àí¿Æʵ¼ÊÿÀ¦¾íÐèҪһλÔľíÀÏʦ¹¤×÷4.5ÌìÍê³É£¬ÔÚ°´£¨1£©·ÖÅäµÄÈËÊýÔľí4Ììºó£¬ÔľíÁ쵼С×é¾ö¶¨´ÓÎÄ¿Æ×é³éµ÷20ÃûÔľíÀÏʦȥÔÄÀí¿Æ¾í£¬ÊÔÎÊÍê³ÉÈ«Ê¡ÊýѧÔľíÈÎÎñÖÁÉÙÐèÒª¶àÉÙÌ죿£¨ÌìÊý¾«È·µ½Ð¡ÊýµãºóµÚ3룩
£¨²Î¿¼Êý¾Ý£º£¬£¬£¬£©
¡¾´ð°¸¡¿·ÖÎö£º£¨1£©¸ù¾ÝÒ»×éÍê³É269À¦ÎÄ¿Æ¾í£¬ÁíÒ»×éÍê³É475À¦Àí¿Æ¾í£¬ÎÄ¿ÆÿÀ¦¾íÐèҪһλÔľíÀÏʦ¹¤×÷3ÌìÍê³É£¬Àí¿ÆÿÀ¦¾íÐèҪһλÔľíÀÏʦ¹¤×÷4ÌìÍê³É£¬¿É½¨Á¢º¯Êý¹Øϵʽ£¬±È½Ïf£¨119£©¡¢f£¨120£©£¬¼´¿ÉÇóµÃ½áÂÛ£»
£¨2£©¼ÆËãÎÄ¿ÆÔľíʱ¼ä¡¢Àí¿ÆÔľíʱ¼ä£¬±È½ÏÆä´óС£¬¼´¿ÉµÃµ½½áÂÛ£®
½â´ð£º½â£º£¨1£©ÉèÎÄ¿ÆÔľíÈËÊýΪx£¬ÇÒx¡ÊN*£¬ÔòÔľíʱ¼äΪ
¶øf£¨119£©=6.782£¬f£¨120£©=6.786£¬¹Êf£¨119£©£¼f£¨120£©£¬
´ð£ºµ±ÎÄ¡¢Àí¿ÆÔľíÈËÊý·Ö±ðÊÇ119£¬281ʱ£¬È«Ê¡Ôľíʱ¼ä×îÊ¡£»
£¨2£©ÎÄ¿ÆÔľíʱ¼äΪ£º£¬
Àí¿ÆÔľíʱ¼äΪ£º£¬
´ð£ºÈ«Ê¡Ôľíʱ¼ä×î¶ÌΪ7.367Ì죮
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÊýѧ½¨Ä£ºÍ½â¾öʵ¼ÊÎÊÌâµÄÄÜÁ¦£¬¿¼²éÔËËãÇó½âÄÜÁ¦£®
£¨2£©¼ÆËãÎÄ¿ÆÔľíʱ¼ä¡¢Àí¿ÆÔľíʱ¼ä£¬±È½ÏÆä´óС£¬¼´¿ÉµÃµ½½áÂÛ£®
½â´ð£º½â£º£¨1£©ÉèÎÄ¿ÆÔľíÈËÊýΪx£¬ÇÒx¡ÊN*£¬ÔòÔľíʱ¼äΪ
¶øf£¨119£©=6.782£¬f£¨120£©=6.786£¬¹Êf£¨119£©£¼f£¨120£©£¬
´ð£ºµ±ÎÄ¡¢Àí¿ÆÔľíÈËÊý·Ö±ðÊÇ119£¬281ʱ£¬È«Ê¡Ôľíʱ¼ä×îÊ¡£»
£¨2£©ÎÄ¿ÆÔľíʱ¼äΪ£º£¬
Àí¿ÆÔľíʱ¼äΪ£º£¬
´ð£ºÈ«Ê¡Ôľíʱ¼ä×î¶ÌΪ7.367Ì죮
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÊýѧ½¨Ä£ºÍ½â¾öʵ¼ÊÎÊÌâµÄÄÜÁ¦£¬¿¼²éÔËËãÇó½âÄÜÁ¦£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿