ÒÑÖªËĵãO£¨0£¬0£©£¬F£¨0£¬£©£¬M£¨0£¬1£©£¬N£¨0£¬2£©£¬µãP£¨x£¬y£©ÔÚÅ×ÎïÏßx2=2yÉÏ¡£
 £¨¢ñ£©µ±x0=3ʱ£¬ÑÓ³¤PN½»Å×ÎïÏßÓÚÁíÒ»µãQ£¬Çó¡ÏPOQµÄ´óС£»
 £¨¢ò£©µ±µãP£¨x0£¬y0£©£¨x0¡Ù0£©ÔÚÅ×ÎïÏßx2=2yÉÏÔ˶¯Ê±£¬
¢¡£©ÒÔMPΪֱ¾¶×÷Ô²£¬Çó¸ÃÔ²½ØÖ±Ïßy=ËùµÃµÄÏÒ³¤£»
¢¢£©¹ýµãP×÷xÖáµÄ´¹Ïß½»xÖáÓÚµãA£¬¹ýµãP×÷¸ÃÅ×ÎïÏßµÄÇÐÏßl½»xÖáÓÚµãB¡£ÎÊ£ºÊÇ·ñ×ÜÓСÏFPB=¡ÏBPA£¿Èç¹ûÓУ¬Çë¸øÓèÖ¤Ã÷£»Èç¹ûûÓУ¬Çë¾Ù³ö·´Àý¡£
½â£º£¨¢ñ£©µ±Ê±£¬£¬£¬£¬
Ö±ÏßPN£º´úÈ룬
µÃ£¬£¬
ËùÒÔ£¬£¬£¬
ËùÒÔ£¬¡£
(¢ò) ¢¡£©ÒÔMPΪֱ¾¶µÄÔ²µÄÔ²ÐÄΪ£¬
£¬
ËùÒÔ£¬Ô²µÄ°ë¾¶£¬
Ô²Ðĵ½Ö±ÏߵľàÀ룻
¹Ê½ØµÃµÄÏÒ³¤¡£
¢¢£©×ÜÓСÏFPB=¡ÏBPA¡£
Ö¤Ã÷£º£¬
ËùÒÔÇÐÏßlµÄ·½³ÌΪ£¬¼´£¬
Áîy=0£¬µÃ£¬ËùÒÔµãBµÄ×ø±êΪ£¬
µãBµ½Ö±ÏßPAµÄ¾àÀëΪ£»
ÏÂÃæÇóÖ±ÏßPFµÄ·½³Ì£¬
ÒòΪ£¬ËùÒÔÖ±ÏßPFµÄ·½³ÌΪ£¬
ÕûÀí£¬µÃ£¬
ËùÒÔµãBµ½Ö±ÏßPFµÄ¾àÀëΪ£¬
ËùÒÔ£¬£¬
ËùÒÔ£¬¡ÏFPB=¡ÏBPA¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÒÑÖªËĵãO£¨0£¬0£©£¬F(0£¬
1
2
)
£¬M£¨0£¬1£©£¬N£¨0£¬2£©£®µãP£¨x0£¬y0£©ÔÚÅ×ÎïÏßx2=2yÉÏ
£¨¢ñ£©µ±x0=3ʱ£¬ÑÓ³¤PN½»Å×ÎïÏßÓÚÁíÒ»µãQ£¬Çó¡ÏPOQµÄ´óС£»
£¨¢ò£©µ±µãP£¨x0£¬y0£©£¨x0¡Ù0£©ÔÚÅ×ÎïÏßx2=2yÉÏÔ˶¯Ê±£¬
¢¡£©ÒÔMPΪֱ¾¶×÷Ô²£¬Çó¸ÃÔ²½ØÖ±Ïßy=
1
2
ËùµÃµÄÏÒ³¤£»
¢¢£©¹ýµãP×÷xÖáµÄ´¹Ïß½»xÖáÓÚµãA£¬¹ýµãP×÷¸ÃÅ×ÎïÏßµÄÇÐÏßl½»xÖáÓÚµãB£®ÎÊ£ºÊÇ·ñ×ÜÓСÏFPB=¡ÏBPA£¿Èç¹ûÓУ¬Çë¸øÓèÖ¤Ã÷£»Èç¹ûûÓУ¬Çë¾Ù³ö·´Àý£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

ÒÑÖªËĵãO£¨0£¬0£©£¬A£¨t£¬1£©£¬B£¨2£¬3£©£¬C£¨6£¬t£©£¬ÆäÖÐt¡ÊR£®ÈôËıßÐÎOACBÊÇƽÐÐËıßÐΣ¬ÇÒµãP£¨x£¬y£©ÔÚÆäÄÚ²¿¼°Æä±ß½çÉÏ£¬Ôò2y-xµÄ×îСֵÊÇ
-2
-2
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2013Äê½­ËÕÊ¡¸ß¿¼ÊýѧģÄâÊÔ¾í£¨Î壩£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ÒÑÖªËĵãO£¨0£¬0£©£¬A£¨t£¬1£©£¬B£¨2£¬3£©£¬C£¨6£¬t£©£¬ÆäÖÐt¡ÊR£®ÈôËıßÐÎOACBÊÇƽÐÐËıßÐΣ¬ÇÒµãP£¨x£¬y£©ÔÚÆäÄÚ²¿¼°Æä±ß½çÉÏ£¬Ôò2y-xµÄ×îСֵÊÇ    £®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2009-2010ѧÄêÕã½­Ê¡º¼ÖݶþÖС¢Ñ§¾üÖÐѧ¡¢Ð§ÊµÖÐѧ¡¢¼ÎÐËÒ»ÖС¢º¼ÖݸßÖÐÎåУ¸ßÈýµÚ¶þ´ÎÁª¿¼ÊýѧÊÔ¾í£¨ÎÄ¿Æ£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ÒÑÖªËĵãO£¨0£¬0£©£¬£¬M£¨0£¬1£©£¬N£¨0£¬2£©£®µãP£¨x£¬y£©ÔÚÅ×ÎïÏßx2=2yÉÏ
£¨¢ñ£©µ±x=3ʱ£¬ÑÓ³¤PN½»Å×ÎïÏßÓÚÁíÒ»µãQ£¬Çó¡ÏPOQµÄ´óС£»
£¨¢ò£©µ±µãP£¨x£¬y£©£¨x¡Ù0£©ÔÚÅ×ÎïÏßx2=2yÉÏÔ˶¯Ê±£¬
¢¡£©ÒÔMPΪֱ¾¶×÷Ô²£¬Çó¸ÃÔ²½ØÖ±ÏßËùµÃµÄÏÒ³¤£»
¢¢£©¹ýµãP×÷xÖáµÄ´¹Ïß½»xÖáÓÚµãA£¬¹ýµãP×÷¸ÃÅ×ÎïÏßµÄÇÐÏßl½»xÖáÓÚµãB£®ÎÊ£ºÊÇ·ñ×ÜÓСÏFPB=¡ÏBPA£¿Èç¹ûÓУ¬Çë¸øÓèÖ¤Ã÷£»Èç¹ûûÓУ¬Çë¾Ù³ö·´Àý£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸