Èçͼ¼×£¬·Ö±ðÒÔÁ½¸ö±Ë´ËÏàÁÚµÄÕý·½ÐÎOABCÓëCDEFµÄ±ßOC¡¢OAËùÔÚÖ±ÏßΪÖá¡¢ÖὨÁ¢Æ½ÃæÖ±½Ç×ø±êϵ£¨O¡¢C¡¢FÈýµãÔÚxÖáÕý°ëÖáÉÏ£©.Èô¡ÑP¹ýA¡¢B¡¢EÈýµã(Ô²ÐÄÔÚÖáÉÏ)£¬Å×ÎïÏß¾­¹ýA¡¢CÁ½µã£¬ÓëÖáµÄÁíÒ»½»µãΪG£¬MÊÇFGµÄÖе㣬Õý·½ÐÎCDEFµÄÃæ»ýΪ1.
£¨1£©ÇóBµã×ø±ê£»
£¨2£©ÇóÖ¤£ºMEÊÇ¡ÑPµÄÇÐÏߣ»
£¨3£©ÉèÖ±ÏßACÓëÅ×ÎïÏ߶ԳÆÖá½»ÓÚN£¬QµãÊǴ˶ԳÆÖáÉϲ»ÓëNµãÖغϵÄÒ»¶¯µã£¬¢ÙÇó¡÷ACQÖܳ¤µÄ×îСֵ£»¢ÚÈôFQ£½£¬¡÷ACQµÄÃæ»ý S¡÷ACQ£½£¬Ö±½Óд³öÓëÖ®¼äµÄº¯Êý¹Øϵʽ.?

 

£¨1£©£¨2£¬2£©£¬£¨2£©Ö¤Ã÷¹ý³Ì¼û½âÎö
£¨3£©¢Ù¢Úµ±QµãÔÚFµãÉÏ·½Ê±£¬S£½t+1 
µ±QµãÔÚÏ߶ÎFNÉÏʱ£¬S£½1-t
µ±QµãÔÚNµãÏ·½Ê±£¬S£½t-1 

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

Èçͼ¼×£¬·Ö±ðÒÔÁ½¸ö±Ë´ËÏàÁÚµÄÕý·½ÐÎOABCÓëCDEFµÄ±ßOC¡¢OA ËùÔÚÖ±ÏßΪxÖá¡¢yÖὨÁ¢Æ½ÃæÖ±½Ç×ø±êϵ£¨O¡¢C¡¢FÈýµãÔÚxÖáÕý°ëÖáÉÏ£©£®Èô¡ÑP¹ýA¡¢B¡¢EÈýµã£¨Ô²ÐÄÔÚxÖáÉÏ£©£¬Å×ÎïÏßy=
14
x2+bx+c
¾­¹ýA¡¢CÁ½µã£¬ÓëxÖáµÄÁíÒ»½»µãΪG£¬MÊÇFGµÄÖе㣬Õý·½ÐÎCDEFµÄÃæ»ýΪ1£®
£¨1£©ÇóBµã×ø±ê£»
£¨2£©ÇóÖ¤£ºMEÊÇ¡ÑPµÄÇÐÏߣ»
£¨3£©ÉèÖ±ÏßACÓëÅ×ÎïÏ߶ԳÆÖá½»ÓÚN£¬QµãÊǴ˶ԳÆÖáÉϲ»ÓëNµãÖغϵÄÒ»¶¯µã£¬
¢ÙÇó¡÷ACQÖܳ¤µÄ×îСֵ£»
¢ÚÈôFQ=t£¬S¡÷ACQ=S£¬Ö±½Óд³öSÓëtÖ®¼äµÄº¯Êý¹Øϵʽ£®
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2012½ì½­ËÕÊ¡½­ÒõÊг¤ãþƬ¾ÅÄ꼶ÏÂѧÆÚÆÚÖмì²âÊýѧÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£º½â´ðÌâ

Èçͼ¼×£¬·Ö±ðÒÔÁ½¸ö±Ë´ËÏàÁÚµÄÕý·½ÐÎOABCÓëCDEFµÄ±ßOC¡¢OAËùÔÚÖ±ÏßΪÖá¡¢ÖὨÁ¢Æ½ÃæÖ±½Ç×ø±êϵ£¨O¡¢C¡¢FÈýµãÔÚxÖáÕý°ëÖáÉÏ£©.Èô¡ÑP¹ýA¡¢B¡¢EÈýµã(Ô²ÐÄÔÚÖáÉÏ)£¬Å×ÎïÏß¾­¹ýA¡¢CÁ½µã£¬ÓëÖáµÄÁíÒ»½»µãΪG£¬MÊÇFGµÄÖе㣬Õý·½ÐÎCDEFµÄÃæ»ýΪ1.
¡¾Ð¡Ìâ1¡¿ÇóBµã×ø±ê£»
¡¾Ð¡Ìâ2¡¿ÇóÖ¤£ºMEÊÇ¡ÑPµÄÇÐÏߣ»
¡¾Ð¡Ìâ3¡¿ÉèÖ±ÏßACÓëÅ×ÎïÏ߶ԳÆÖá½»ÓÚN£¬QµãÊǴ˶ԳÆÖáÉϲ»ÓëNµãÖغϵÄÒ»¶¯µã£¬¢ÙÇó¡÷ACQÖܳ¤µÄ×îСֵ£»¢ÚÈôFQ£½£¬¡÷ACQµÄÃæ»ý S¡÷ACQ£½£¬Ö±½Óд³öÓëÖ®¼äµÄº¯Êý¹Øϵʽ.

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2011-2012ѧÄê½­ËÕÊ¡ÎÞÎýÊн­ÒõÊгζ«Æ¬¾ÅÄ꼶£¨Ï£©ÆÚÖÐÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ¼×£¬·Ö±ðÒÔÁ½¸ö±Ë´ËÏàÁÚµÄÕý·½ÐÎOABCÓëCDEFµÄ±ßOC¡¢OA ËùÔÚÖ±ÏßΪxÖá¡¢yÖὨÁ¢Æ½ÃæÖ±½Ç×ø±êϵ£¨O¡¢C¡¢FÈýµãÔÚxÖáÕý°ëÖáÉÏ£©£®Èô¡ÑP¹ýA¡¢B¡¢EÈýµã£¨Ô²ÐÄÔÚxÖáÉÏ£©£¬Å×ÎïÏßy=¾­¹ýA¡¢CÁ½µã£¬ÓëxÖáµÄÁíÒ»½»µãΪG£¬MÊÇFGµÄÖе㣬Õý·½ÐÎCDEFµÄÃæ»ýΪ1£®
£¨1£©ÇóBµã×ø±ê£»
£¨2£©ÇóÖ¤£ºMEÊÇ¡ÑPµÄÇÐÏߣ»
£¨3£©ÉèÖ±ÏßACÓëÅ×ÎïÏ߶ԳÆÖá½»ÓÚN£¬QµãÊǴ˶ԳÆÖáÉϲ»ÓëNµãÖغϵÄÒ»¶¯µã£¬
¢ÙÇó¡÷ACQÖܳ¤µÄ×îСֵ£»
¢ÚÈôFQ=t£¬S¡÷ACQ=S£¬Ö±½Óд³öSÓëtÖ®¼äµÄº¯Êý¹Øϵʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2012Äê½­ËÕÊ¡ÎÞÎýÊн­ÒõÊÐÖп¼ÊýѧģÄâÊÔ¾í£¨4Ô·ݣ©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ¼×£¬·Ö±ðÒÔÁ½¸ö±Ë´ËÏàÁÚµÄÕý·½ÐÎOABCÓëCDEFµÄ±ßOC¡¢OA ËùÔÚÖ±ÏßΪxÖá¡¢yÖὨÁ¢Æ½ÃæÖ±½Ç×ø±êϵ£¨O¡¢C¡¢FÈýµãÔÚxÖáÕý°ëÖáÉÏ£©£®Èô¡ÑP¹ýA¡¢B¡¢EÈýµã£¨Ô²ÐÄÔÚxÖáÉÏ£©£¬Å×ÎïÏßy=¾­¹ýA¡¢CÁ½µã£¬ÓëxÖáµÄÁíÒ»½»µãΪG£¬MÊÇFGµÄÖе㣬Õý·½ÐÎCDEFµÄÃæ»ýΪ1£®
£¨1£©ÇóBµã×ø±ê£»
£¨2£©ÇóÖ¤£ºMEÊÇ¡ÑPµÄÇÐÏߣ»
£¨3£©ÉèÖ±ÏßACÓëÅ×ÎïÏ߶ԳÆÖá½»ÓÚN£¬QµãÊǴ˶ԳÆÖáÉϲ»ÓëNµãÖغϵÄÒ»¶¯µã£¬
¢ÙÇó¡÷ACQÖܳ¤µÄ×îСֵ£»
¢ÚÈôFQ=t£¬S¡÷ACQ=S£¬Ö±½Óд³öSÓëtÖ®¼äµÄº¯Êý¹Øϵʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2011Äêºþ±±Ê¡¾£ÖÝÊÐÖп¼ÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ¼×£¬·Ö±ðÒÔÁ½¸ö±Ë´ËÏàÁÚµÄÕý·½ÐÎOABCÓëCDEFµÄ±ßOC¡¢OA ËùÔÚÖ±ÏßΪxÖá¡¢yÖὨÁ¢Æ½ÃæÖ±½Ç×ø±êϵ£¨O¡¢C¡¢FÈýµãÔÚxÖáÕý°ëÖáÉÏ£©£®Èô¡ÑP¹ýA¡¢B¡¢EÈýµã£¨Ô²ÐÄÔÚxÖáÉÏ£©£¬Å×ÎïÏßy=¾­¹ýA¡¢CÁ½µã£¬ÓëxÖáµÄÁíÒ»½»µãΪG£¬MÊÇFGµÄÖе㣬Õý·½ÐÎCDEFµÄÃæ»ýΪ1£®
£¨1£©ÇóBµã×ø±ê£»
£¨2£©ÇóÖ¤£ºMEÊÇ¡ÑPµÄÇÐÏߣ»
£¨3£©ÉèÖ±ÏßACÓëÅ×ÎïÏ߶ԳÆÖá½»ÓÚN£¬QµãÊǴ˶ԳÆÖáÉϲ»ÓëNµãÖغϵÄÒ»¶¯µã£¬
¢ÙÇó¡÷ACQÖܳ¤µÄ×îСֵ£»
¢ÚÈôFQ=t£¬S¡÷ACQ=S£¬Ö±½Óд³öSÓëtÖ®¼äµÄº¯Êý¹Øϵʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸