ÓÃË®ÇåÏ´Ò»¶ÑÊß²ËÉϲÐÁôµÄÅ©Ò©£¬¶ÔÓÃÒ»¶¨Á¿µÄË®ÇåÏ´Ò»´ÎµÄЧ¹û×÷Èçϼٶ¨£ºÓÃÒ»¸öµ¥Î»µÄË®¿ÉÏ´µôÊß²ËÉϲÐÁôÅ©Ò©µÄ£¬ÓÃˮԽ¶àÏ´µôµÄÅ©Ò©Á¿Ò²Ô½¶à£¬µ«×Ü»¹ÓÐÅ©Ò©²ÐÁôÔÚÊß²ËÉÏ£®ÉèÓõ¥Î»Á¿µÄË®ÇåÏ´Ò»´ÎÒÔºó£¬Êß²ËÉϲÐÁôµÄÅ©Ò©Á¿Óë±¾´ÎÇåÏ´Ç°²ÐÁôµÄÅ©Ò©Á¿Ö®±ÈΪº¯Êý£®
¢ÅÊԹ涨µÄÖµ£¬²¢½âÊÍÆäʵ¼ÊÒâÒ壻
¢ÆÊÔ¸ù¾Ý¼Ù¶¨Ð´³öº¯ÊýÓ¦Âú×ãµÄÌõ¼þºÍ¾ßÓеÄÐÔÖÊ£»
¢ÇÉ裬ÏÖÓе¥Î»Á¿µÄË®£¬¿ÉÒÔÇåÏ´Ò»´Î£¬Ò²¿ÉÒÔ°Ñˮƽ¾ù·Ö³ÉÁ½·ÝºóÇåÏ´Á½´Î£®ÊÔÎÊÓÃÄÇÖÖ·½°¸ÇåÏ´ºóÊß²ËÉϲÐÁôµÄÅ©Ò©Á¿±È½ÏÉÙ£¿ËµÃ÷ÀíÓÉ£®

£¨1£©Ã»ÓÐÓÃˮϴʱ£¬Êß²ËÉϵÄÅ©Ò©Á¿½«±£³ÖÔ­Ñù
£¨2£©£¬£¬ÔÚÉϵ¥µ÷µÝ¼õ£¬ÇÒ£»
£¨3£©µ±Ê±£¬ÇåÏ´Á½´Îºó²ÐÁôµÄÅ©Ò©Á¿½ÏÉÙ£»µ±Ê±£¬Á½ÖÖÇåÏ´·½·¨¾ßÓÐÏàͬµÄЧ¹û£»µ±Ê±£¬Ò»´ÎÇåÏ´²ÐÁôµÄÅ©Ò©Á¿½ÏÉÙ

½âÎöÊÔÌâ·ÖÎö£º£¨1£©¹æ¶¨£º¡°f£¨0£©=1¡±£¬±íʾûÓÐÓÃˮϴʱ£¬ÅÌ×ÓÉÏÏ´½à¾»µÄÁ¿½«±£³ÖÔ­Ñù£®£¨2£©¸ù¾Ýʵ¼ÊÒâÒåÈ·¶¨º¯Êýf£¨x£©Ó¦¸ÃÂú×ãµÄÌõ¼þºÍ¾ßÓеÄÐÔÖÊ£»£¨3£©ÏÈÉè½öÇåÏ´Ò»´Î£¬¼ÆËã³ö²ÐÁôÔÚÏ´½à¾»Á¿£¬ÇåÏ´Á½´Îºó£¬²ÐÁôµÄÏ´½à¾»Á¿£¬ÔٱȽÏËüÃǵĴóС¹Øϵ¼´µÃ£®¢Å±íʾûÓÐÓÃˮϴʱ£¬Êß²ËÉϵÄÅ©Ò©Á¿½«±£³ÖÔ­Ñù   
¢Æ¸ù¾ÝÌâÒ⣬ÓÃÒ»¸öµ¥Î»µÄË®¿ÉÏ´µôÊß²ËÉϲÐÁôÅ©Ò©µÄ£¬ÓÃˮԽ¶àÏ´µôµÄÅ©Ò©Á¿Ò²Ô½¶à£¬µ«×Ü»¹ÓÐÅ©Ò©²ÐÁôÔÚÊß²ËÉÏ£®ÉèÓõ¥Î»Á¿µÄË®ÇåÏ´Ò»´ÎÒÔºó£¬Êß²ËÉϲÐÁôµÄÅ©Ò©Á¿Óë±¾´ÎÇåÏ´Ç°²ÐÁôµÄÅ©Ò©Á¿Ö®±ÈΪº¯Êý£®Ôò¿ÉÖªº¯ÊýÓ¦¸ÃÂú×ãµÄÌõ¼þºÍ¾ß±¸µÄÐÔÖÊÓеÚÒ»ÎʵĽáÂÛ£¬Í¬Ê±¸ù¾ÝÌâÒ⣬ÓÃÒ»¸öµ¥Î»µÄË®¿ÉÏ´µôÊß²ËÉϲÐÁôÅ©Ò©µÄ£¬Ôò£¬²¢ÇÒÓÃˮԽ¶àÏ´µôµÄÅ©Ò©Á¿Ò²Ô½¶à£¬µ«×Ü»¹ÓÐÅ©Ò©²ÐÁôÔÚÊß²ËÉϹʿÉÖªÔÚÉϵ¥µ÷µÝ¼õ£¬ÇÒ£»
£¨3£©ÓÉÓÚÉ裬ÏÖÓе¥Î»Á¿µÄË®£¬¿ÉÒÔÇåÏ´Ò»´Î£¬Ò²¿ÉÒÔ°Ñˮƽ¾ù·Ö³ÉÁ½·ÝºóÇåÏ´Á½´Î£®Èç¹ûÇåÏ´Ò»´Î£¬ÄÇô¿ÉÖª²ÐÁôµÄÅ©Ò©Á¿Îª,Èç¹û°Ñˮƽ¾ù·Ö³ÉÁ½·ÝºóÇåÏ´Ò»´Î,ÔÙÇåÏ´Ò»´Î¿ÉÖª,µ±=½âµÃa=,ÇåÏ´Á½´Îºó²ÐÁôÅ©Ò©ÏàµÈ£¬µ±<,a>,ÇåÏ´Á½´Îºó²ÐÁôµÄÅ©Ò©Á¿½ÏÉÙ;µ±>,a<,ÇåÏ´Á½´Îºó²ÐÁôµÄÅ©Ò©Á¿½Ï¶à¡£Òò´Ë¿ÉÖª
µ±Ê±£¬ÇåÏ´Á½´Îºó²ÐÁôµÄÅ©Ò©Á¿½ÏÉÙ£»
µ±Ê±£¬Á½ÖÖÇåÏ´·½·¨¾ßÓÐÏàͬµÄЧ¹û£»
µ±Ê±£¬Ò»´ÎÇåÏ´²ÐÁôµÄÅ©Ò©Á¿½ÏÉÙ£®
¿¼µã£ºº¯ÊýÄ£Ð͵ÄÑ¡ÔñÓëÓ¦ÓÃ
µãÆÀ£º±¾Ð¡ÌâÖ÷Òª¿¼²éº¯ÊýÄ£Ð͵ÄÑ¡ÔñÓëÓ¦Óᢲ»µÈʽµÄ½âʾ¼°±È½Ï·¨±È½Ï´óСµÈ£¬ÊôÓÚ»ù´¡Ì⣮¿¼²é¸ù¾Ýʵ¼ÊÎÊÌ⽨Á¢ÊýѧģÐÍ£¬ÒÔ¼°ÔËÓú¯ÊýµÄ֪ʶ½â¾öʵ¼ÊÎÊÌâµÄÄÜÁ¦

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ijÉ̳¡ÔÚµêÇìÒ»ÖÜÄ꿪չ¡°¹ºÎïÕÛÉÏÕۻ¡±£ºÉ̳¡ÄÚËùÓÐÉÌÆ·°´±ê¼ÛµÄ°ËÕÛ³öÊÛ£¬ÕÛºó¼Û¸ñÿÂú500ÔªÔÙ¼õ100Ôª£®ÈçijÉÌÆ·±ê¼ÛΪ1500Ôª£¬Ôò¹ºÂò¸ÃÉÌÆ·µÄʵ¼Ê¸¶¿î¶îΪ1500¡Á0.8-200=1000£¨Ôª£©£®É蹺ÂòijÉÌÆ·µÃµ½µÄʵ¼ÊÕÛ¿ÛÂÊ£®ÉèijÉÌÆ·±ê¼ÛΪԪ£¬¹ºÂò¸ÃÉÌÆ·µÃµ½µÄʵ¼ÊÕÛ¿ÛÂÊΪ£®
£¨¢ñ£©Ð´³öµ±Ê±£¬¹ØÓڵĺ¯Êý½âÎöʽ£¬²¢Çó³ö¹ºÂò±ê¼ÛΪ1000ÔªÉÌÆ·µÃµ½µÄʵ¼ÊÕÛ¿ÛÂÊ£»
£¨¢ò£©¶ÔÓÚ±ê¼ÛÔÚ£Û2500,3500£ÝµÄÉÌÆ·£¬¹Ë¿Í¹ºÂò±ê¼ÛΪ¶àÉÙÔªµÄÉÌÆ·£¬¿ÉµÃµ½µÄʵ¼ÊÕÛ¿ÛÂʵÍÓÚ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÒÑÖªº¯Êýf£¨x£©=.
£¨¢ñ£©Çóf£¨x£©µÄµ¥µ÷Çø¼ä£»
£¨¢ò£©Ö¤Ã÷£ºµ±f£¨x1£©=f£¨x2£©(x1¡Ùx2)ʱ£¬x1+x2£¼0.

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÒÑÖªº¯Êý£¬
£¨1£©Èô£¬ÇóµÄ·¶Î§£»   £¨2£©²»µÈʽ¶ÔÈÎÒâºã³ÉÁ¢£¬ÇóʵÊýµÄÈ¡Öµ·¶Î§¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

£¨1£©ÒÑÖªº¯Êýy£½ln£¨£­x2£«x£­a£©µÄ¶¨ÒåÓòΪ£¨£­2,3£©£¬ÇóʵÊýaµÄÈ¡Öµ·¶Î§£»
£¨2£©ÒÑÖªº¯Êýy£½ln£¨£­x2£«x£­a£©ÔÚ£¨£­2,3£©ÉÏÓÐÒâÒ壬ÇóʵÊýaµÄÈ¡Öµ·¶Î§£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÒÑ֪ij¹«Ë¾Éú²úijƷÅÆ·þ×°µÄÄê¹Ì¶¨³É±¾Îª10ÍòÔª£¬Ã¿Éú²úǧ¼þÐèÁíͶÈë2.7ÍòÔª£¬Éè¸Ã¹«Ë¾ÄêÄÚ¹²Éú²ú¸ÃÆ·ÅÆ·þװǧ¼þ²¢È«²¿ÏúÊÛÍ꣬ÿǧ¼þµÄÏúÊÛÊÕÈëΪÍòÔª£¬ÇÒ£®
(1£©Ð´³öÄêÀûÈó£¨ÍòÔª£©¹ØÓÚÄê²úÆ·£¨Ç§¼þ£©µÄº¯Êý½âÎöʽ£»
(2£©Äê²úÁ¿Îª¶àÉÙǧ¼þʱ£¬¸Ã¹«Ë¾ÔÚÕâһƷÅÆ·þ×°µÄÉú²úÖÐËù»ñÄêÀûÈó×î´ó£¿
(×¢£ºÄêÀûÈó=ÄêÏúÊÛÊÕÈ룭Äê×ܳɱ¾£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÒÑÖªº¯Êý£¬g£¨x£©=£¬a£¬b¡ÊR£®
£¨1£©Çóº¯Êýf£¨x£©µÄµ¥µ÷Çø¼ä£»
£¨2£©¼Çº¯Êýh£¨x£©=f£¨x£©+g£¨x£©£¬µ±a=0ʱ£¬h£¨x£©ÔÚ£¨0£¬1£©ÉÏÓÐÇÒÖ»ÓÐÒ»¸ö¼«Öµµã£¬ÇóʵÊýbµÄÈ¡Öµ·¶Î§£»
£¨3£©¼Çº¯ÊýF£¨x£©=|f£¨x£©|£¬Ö¤Ã÷£º´æÔÚÒ»Ìõ¹ýÔ­µãµÄÖ±ÏßlÓëy=F£¨x£©µÄͼÏóÓÐÁ½¸öÇе㣮

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ij´å¼Æ»®½¨ÔìÒ»¸öÊÒÄÚÃæ»ýΪ800µÄ¾ØÐÎÊß²ËÎÂÊÒ¡£ÔÚÎÂÊÒÄÚ£¬ÑØ×ó£®ÓÒÁ½²àÓëºó²àÄÚǽ¸÷±£Áô1¿íµÄͨµÀ£¬ÑØÇ°²àÄÚǽ±£Áô3 ¿íµÄ¿ÕµØ¡£µ±¾ØÐÎÎÂÊҵı߳¤¸÷Ϊ¶àÉÙʱ£¿Ê߲˵ÄÖÖÖ²Ãæ»ý×î´ó¡£×î´óÖÖÖ²Ãæ»ýÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÒÑÖªº¯Êý
£¨¢ñ£©µ±Ê±, Çóº¯ÊýµÄµ¥µ÷ÔöÇø¼ä£»
£¨¢ò£©Çóº¯ÊýÔÚÇø¼äÉϵÄ×îСֵ£»
£¨¢ó£© ÔÚ£¨¢ñ£©µÄÌõ¼þÏ£¬Éè,
Ö¤Ã÷£º.²Î¿¼Êý¾Ý£º£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸