ΪÁËÖ»ÓÃÒ»¸ùµ¯»ÉºÍÒ»°Ñ¿Ì¶È³ß²â¶¨Ä³»¬¿éÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£¨Éè¦ÌΪ¶¨Öµ£©£¬Ä³Í¬Ñ§¾­²éÔÄ×ÊÁÏÖª£ºÒ»¾¢¶ÈϵÊýΪkµÄÇᵯ»ÉÓÉÉ쳤Á¿ÎªxÖÁ»Ö¸´µ½Ô­³¤¹ý³ÌÖУ¬µ¯Á¦Ëù×öµÄ¹¦ÎªÊýѧ¹«Ê½kx2£¬ÓÚÊÇËûÉè¼ÆÁËÏÂÊöʵÑ飺
µÚ1²½£ºÈçͼËùʾ£¬½«µ¯»ÉµÄÒ»¶Ë¹Ì¶¨µÄÊúֱǽÉÏ£¬µ¯»É´¦ÓÚÔ­³¤Ê±ÁíÒ»¶ËλÖÃA£®ÏÖʹ»¬¿é½ô¿¿µ¯»É½«ÆäѹËõÖÁλÖÃB£¬ËÉÊֺ󻬿éÔÚˮƽ×ÀÃæÉÏÔ˶¯Ò»¶Î¾àÀ룬µ½´ïCλÖÃʱֹͣ£º
µÚ2²½£º½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏ£¬µ¯»ÉÉ쳤ºó±£³Ö¾²Ö¹×´Ì¬£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÄãÈÏΪ£¬¸ÃͬѧӦ¸ÃÓÿ̶ȳßÖ±½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ£¨Ð´³öÃû³Æ²¢Ó÷ûºÅ±íʾ£©______£®
£¨2£©ÓòâµÃµÄÎïÀíÁ¿±íʾ»¬¿éÓëˮƽ×ÀÃæ¼ä¶¯Ä¦²ÁÒòÊý¦ÌµÄ¼ÆËãʽ£º¦Ì=______£®

½â£º£¨1£©¸Ã¹ý³ÌÖУ¬ÎïÌåÔ˶¯¿Ë·þĦ²ÁÁ¦×ö¹¦£¬ÏûºÄµ¯ÐÔÊÆÄÜ£¬¼´µ¯»Éµ¯Á¦×öµÄÕý¹¦µÈÓÚ¿Ë·þĦ²ÁÁ¦×ö¹¦£¬ËùÒÔÒªÇ󵯻ɵ¯Á¦×ö¹¦µÄ´óС£¬¸ù¾Ý£¬ÐèÒª²âÁ¿µ¯»ÉµÄÐαäÁ¿£¬¼´Ô­³¤ºÍѹËõºóµÄ³¤¶ÈµÄ²îÖµ£¬¼´ABÖ®¼äµÄ¾àÀëx1£»ÐèÒª²âÁ¿µ¯»ÉµÄ¾¢¶ÈϵÊý£¬¿ÉÒÔ¸ù¾Ýµ¯»É¹ÒÎïÌåʱ´¦µÄƽºâ״̬Çó³ö¾¢¶ÈϵÊýk£¬Ê¹ÓÃÒª²âÁ¿½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏ£¬µ¯»ÉÉ쳤ºó±£³Ö¾²Ö¹×´Ì¬Ê±µ¯»ÉµÄÉ쳤Á¿x2£»ÔÚÕû¸ö¹ý³ÌÖиù¾Ý¹¦ÄܹØϵÓУº
¢Ù£¬ËùÒÔÒª²âÁ¿ÎïÌ廬ÐеľàÀëS£®
£¨2£©½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏÂʱ£¬mg=kx2 ¢Ú
¢Ù¢ÚÁªÁ¢µÃ£º
¹Ê´ð°¸Îª£º£¨1£©AB¼ä¾àÀëx1£¬BC¼ä¾àÀës£¬µ¯»ÉÊúÖ±Ðü¹ÒʱÉ쳤µÄ³¤¶Èx2£¨2£©
·ÖÎö£º¸ÃÌâÖУ¬ÀûÓöþÁ¦Æ½ºâÇó³öµ¯»ÉµÄ¾¢¶ÈϵÊýk£¬ÀûÓÃÁ˹¦ÄܹØϵÀ´ÇóĦ²ÁϵÊý£¬¼´Ô˶¯¹ý³ÌÖп˷þĦ²ÁÁ¦×ö¹¦ÏûºÄµ¯»ÉµÄµ¯ÐÔÊÆÄÜ£®
µãÆÀ£º¸ÃʵÑé½â´ðµÄÍ»ÆÆ¿ÚÔÚÓÚÃ÷È·ÆäʵÑéÔ­Àí£¬±¾ÌâÖÐÒªÒÀ¾ÝËùÌṩÐÅÏ¢£¬¸ù¾ÝËùѧÎïÀí¹æÂÉ£¬Ã÷È·¸ÃʵÑéµÄʵÑéÔ­Àí£¬¶ÔÓÚ¿¼²éѧÉú×ÛºÏÀûÓÃ֪ʶµÄÄÜÁ¦Æ𵽺ܺõÄ×÷Óã®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2005?ÑγÇÄ£Ä⣩ΪÁËÖ»ÓÃÒ»¸ùµ¯»ÉºÍÒ»°Ñ¿Ì¶È³ß²â¶¨Ä³»¬¿éÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£¨Éè¦ÌΪ¶¨Öµ£©£¬Ä³Í¬Ñ§¾­²éÔÄ×ÊÁÏÖª£ºÒ»¾¢¶ÈϵÊýΪkµÄÇᵯ»ÉÓÉÉ쳤Á¿ÎªxÖÁ»Ö¸´µ½Ô­³¤¹ý³ÌÖУ¬µ¯Á¦Ëù×öµÄ¹¦Îª
1
2
kx2£¬ÓÚÊÇËûÉè¼ÆÁËÏÂÊöʵÑ飺
µÚ1²½£ºÈçͼËùʾ£¬½«µ¯»ÉµÄÒ»¶Ë¹Ì¶¨µÄÊúֱǽÉÏ£¬µ¯»É´¦ÓÚÔ­³¤Ê±ÁíÒ»¶ËλÖÃA£®ÏÖʹ»¬¿é½ô¿¿µ¯»É½«ÆäѹËõÖÁλÖÃB£¬ËÉÊֺ󻬿éÔÚˮƽ×ÀÃæÉÏÔ˶¯Ò»¶Î¾àÀ룬µ½´ïCλÖÃʱֹͣ£º
µÚ2²½£º½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏ£¬µ¯»ÉÉ쳤ºó±£³Ö¾²Ö¹×´Ì¬£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÄãÈÏΪ£¬¸ÃͬѧӦ¸ÃÓÿ̶ȳßÖ±½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ£¨Ð´³öÃû³Æ²¢Ó÷ûºÅ±íʾ£©
AB¼ä¾àÀëx1£¬BC¼ä¾àÀës£¬µ¯»ÉÊúÖ±Ðü¹ÒʱÉ쳤µÄ³¤¶Èx2
AB¼ä¾àÀëx1£¬BC¼ä¾àÀës£¬µ¯»ÉÊúÖ±Ðü¹ÒʱÉ쳤µÄ³¤¶Èx2
£®
£¨2£©ÓòâµÃµÄÎïÀíÁ¿±íʾ»¬¿éÓëˮƽ×ÀÃæ¼ä¶¯Ä¦²ÁÒòÊý¦ÌµÄ¼ÆËãʽ£º¦Ì=
x
2
1
2x2s
x
2
1
2x2s
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ΪÁËÖ»ÓÃÒ»¸ùµ¯»ÉºÍÒ»°Ñ¿Ì¶È³ß²â¶¨Ä³»¬¿éÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£¨Éè¦ÌΪ¶¨Öµ£©£¬Ä³Í¬Ñ§¾­²éÔÄ×ÊÁÏÖªµÀ£ºÒ»¾¢¶ÈϵÊýΪkµÄÇᵯ»ÉÓÉÉ쳤Á¿ÎªxÖÁ»Ö¸´Ô­³¤¹ý³ÌÖУ¬µ¯Á¦Ëù×öµÄ¹¦Îª
1
2
kx2£®ÓÚÊÇËûÉè¼ÆÁËÏÂÊöʵÑ飺
µÚÒ»²½£ºÈçͼËùʾ£¬½«µ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÊúֱǽÉÏ£¬Ê¹»¬¿é½ô¿¿µ¯»É½«ÆäѹËõ£¬ËÉÊֺ󻬿éÔÚˮƽ×ÀÃæÉÏ»¬ÐÐÒ»¶Î¾àÀëºóÍ£Ö¹£»
µÚ¶þ²½£º½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏ£¬µ¯»ÉÉ쳤ºó±£³Ö¾²Ö¹×´Ì¬£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¶ÔÓÚËÉÊֺ󻬿éÔÚˮƽ×ÀÃæÉÏ»¬¶¯¹ý³ÌÖÐÓйØÎïÀíÁ¿µÄÃèÊö£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
D
D

A£®µ±µ¯»É»Ö¸´Ô­³¤Ê±£¬»¬¿éµÄ¼ÓËٶȴï×î´óÖµ
B£®µ±µ¯»É»Ö¸´Ô­³¤Ê±£¬»¬¿éµÄËٶȴï×î´óÖµ
C£®»¬¿éµÄ¼ÓËÙ¶ÈÏÈÔö´óºó¼õС£¬È»ºó±£³Ö²»±ä
D£®»¬¿éµÄ¼ÓËÙ¶ÈÏȼõСºóÔö´ó£¬È»ºó±£³Ö²»±ä
£¨2£©ÄãÈÏΪ¸ÃͬѧӦ¸ÃÓÿ̶ȳßÖ±½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ£¨Ð´³öÃû³Æ²¢Ó÷ûºÅ±íʾ£©£º_
µ¯»ÉµÄÔ­³¤L0£¬µ¯»É±»Ñ¹ËõʱµÄ³¤¶ÈL1£¬»¬¿é»¬ÐеľàÀëS£¬µ¯»ÉÐü¹Ò»¬¿éʱµÄ³¤¶ÈL2£¬
µ¯»ÉµÄÔ­³¤L0£¬µ¯»É±»Ñ¹ËõʱµÄ³¤¶ÈL1£¬»¬¿é»¬ÐеľàÀëS£¬µ¯»ÉÐü¹Ò»¬¿éʱµÄ³¤¶ÈL2£¬
£®
£¨3£©ÓÃÖ±½Ó²âµÃµÄÎïÀíÁ¿±íʾ»¬¿éÓëˮƽ×ÀÃæ¼ä¶¯Ä¦²ÁÒòÊý¦ÌµÄ¼ÆËãʽ¦Ì=
(l0-l1)2
2(l2-l0)S
(l0-l1)2
2(l2-l0)S
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøΪÁËÖ»ÓÃÒ»¸ùµ¯»ÉºÍÒ»°Ñ¿Ì¶È³ß²â¶¨Ä³»¬¿éÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£¨Éè¦ÌΪ¶¨Öµ£©£¬Ä³Í¬Ñ§¾­²éÔÄ×ÊÁÏÖª£ºÒ»¾¢¶ÈϵÊýΪkµÄÇᵯ»ÉÓÉѹËõÁ¿ÎªxÖÁ»Ö¸´µ½Ô­³¤µÄ¹ý³ÌÖУ¬µ¯Á¦Ëù×öµÄ¹¦Îª
kx22
£®ÓÚÊÇËûÉè¼ÆÁËÏÂÁÐʵÑ飺
µÚÒ»²½£ºÈçͼ½«µ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÊúֱǽÉÏ£¬Ê¹»¬¿é½ô¿¿µ¯»É½«ÆäѹËõ£¬ËÉÊֺ󻬿éÔÚˮƽÃæÉÏ»¬ÐÐÒ»¶Î¾àÀëºóͣϣ»
µÚ¶þ²½£º½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏ£¬µ¯»ÉÉ쳤ºó±£³Ö¾²Ö¹×´Ì¬£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¶ÔÓÚËÉÊֺ󻬿éÔÚˮƽ×ÀÃæÉÏ»¬¶¯¹ý³ÌÖÐÓйØÎïÀíÁ¿µÄÃèÊö£¬ÕýÈ·µÄÊÇ
 

¢Ùµ±µ¯»É»Ö¸´Ô­³¤Ê±£¬»¬¿éµÄ¼ÓËٶȴﵽ×î´óÖµ¡¡¡¡¢Úµ±µ¯»É»Ö¸´Ô­³¤Ê±£¬»¬¿éµÄËٶȴﵽ×î´óÖµ
¢Û»¬¿éµÄ¼ÓËÙ¶ÈÏÈÔö´ó£¬ºó¼õС£¬È»ºó±£³Ö²»±ä¡¡¡¡¢Ü»¬¿éµÄ¼ÓËÙ¶ÈÏȼõС£¬ºóÔö´ó£¬È»ºó±£³Ö²»±ä
A£®¢Ù¢ÛB£®¢Ú¢ÜC£®¢ÛD£®¢Ü
£¨2£©ÄãÈÏΪ¸ÃͬѧӦ¸ÃÓÿ̶ȳßÖ±½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ£¨Ð´³öÃû³Æ²¢Ó÷ûºÅ±íʾ£»µ±µØÖØÁ¦¼ÓËÙ¶ÈgΪÒÑÖª£©
 

£¨3£©ÓòâµÃµÄÎïÀíÁ¿±íʾ»¬¿éÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦ÌµÄ¼ÆËãʽ£®£¨Ð´³öÔËËã¹ý³Ì£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ΪÁËÖ»ÓÃÒ»¸ùµ¯»ÉºÍÒ»°Ñ¿Ì¶È³ß²â¶¨Ä³»¬¿éÓëˮƽ×ÀÃæ¼äµÄĦ²ÁÒòÊý¦Ì£¨Éè¦ÌΪ¶¨Öµ£©£¬Ä³Í¬Ñ§¾­²éÔÄ×ÊÁϵÃÖª£ºÒ»¾¢¶ÈϵÊýΪkµÄÇᵯ»ÉÓÉѹËõÁ¿Îªxµ½»Ö¸´µ½Ô­³¤¹ý³ÌÖУ¬µ¯Á¦Ëù×öµÄ¹¦Îª
12
kx2£®ÓÚÊÇËûÉè¼ÆÁËÏÂÊöʵÑ飺£¨1£©½«µ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÊúÖ±µÄǽÉÏ£¬Ê¹»¬¿é½ô¿¿µ¯»É½«ÆäѹËõÈçͼ£¨a£©£¬ËÉÊֺ󻬿éÔÚˮƽ×ÀÃæÉÏ»¬ÐÐÒ»¶Î¾àÀëºóÍ£Ö¹£®Í£Ö¹Ê±»¬¿éÒѺ͵¯»É·ÖÀëÈçͼ£¨b£©£®¾«Ó¢¼Ò½ÌÍø
£¨2£©½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏ£¬µ¯»ÉÉ쳤ºó±£³Ö¾²Ö¹×´Ì¬Èçͼ£¨c£©£®»Ø´ðÏÂÁÐÎÊÌ⣺
¢ÙÄãÈÏΪ£¬¸ÃͬѧӦ¸ÃÓÿ̶ȳßÖ±½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ£¨Ð´³öÃû³Æ²¢Ó÷ûºÅ±íʾ£©
 
£®
¢ÚÓòâµÃµÄÎïÀíÁ¿±íʾ»¬¿éÓëˮƽÃæ¼ä¶¯Ä¦²ÁÒòÊý¦ÌµÄ¼ÆËãʽΪ¦Ì=
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2015½ì½­Î÷Ê¡¾°µÂÕòÊиßÒ»ÏÂѧÆÚÆÚÄ©ÖÊÁ¿¼ì²âÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

ΪÁËÖ»ÓÃÒ»¸ùµ¯»ÉºÍÒ»°Ñ¿Ì¶È³ß²â¶¨Ä³»¬¿éÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£¨Éè¦ÌΪ¶¨Öµ£©£¬Ä³Í¬Ñ§¾­²éÔÄ×ÊÁÏÖª£ºÒ»¾¢¶ÈϵÊýΪkµÄÇᵯ»ÉÓÉÉ쳤Á¿ÎªLÖÁ»Ö¸´µ½Ô­³¤¹ý³ÌÖУ¬µ¯Á¦Ëù×öµÄ¹¦Îª¡£ÓÚÊÇËûÉè¼ÆÁËÏÂÊöʵÑ飺

µÚÒ»²½£¬ÈçͼËùʾ£¬½«µ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÊúֱǽÉÏ£¬µ¯»É´¦ÓÚÔ­³¤Ê±ÁíÒ»¶ËÔÚλÖÃB£¬Ê¹»¬¿é½ô¿¿µ¯»É½«ÆäѹËõÖÁλÖÃA£¬ËÉÊֺ󻬿éÔÚˮƽ×ÀÃæÉÏÔ˶¯Ò»¶Î¾àÀ룬µ½´ïλÖÃCʱֹͣ¡£

µÚ¶þ²½£¬½«»¬¿é¹ÒÔÚÊúÖ±·ÅÖõĵ¯»ÉÏ£¬µ¯»ÉÉ쳤ºó±£³Ö¾²Ö¹×´Ì¬¡£

Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÄãÈÏΪ£¬¸ÃͬѧÐèÓÿ̶ȳßÖ±½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ£¨Ð´³öÃû³Æ²¢Ó÷ûºÅ±íʾ£©£º

                                    ºÍ                                     ¡£

£¨2£©ÓòâµÃµÄÎïÀíÁ¿±íʾ»¬¿éÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦ÌµÄ¼ÆËãʽ£º¦Ì=            ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸