Èçͼ£¬°ÂÔ˸£ÍÞÔÚ5¡Á5µÄ·½¸ñ£¨Ã¿Ð¡¸ñ±ß³¤Îª1m£©ÉÏÑØ×ÅÍø¸ñÏßÔ˶¯¡£±´±´´ÓA´¦³ö·¢È¥Ñ°ÕÒB¡¢C¡¢D´¦µÄÆäËü¸£ÍÞ£¬¹æ¶¨£ºÏòÉÏÏòÓÒ×ßΪÕý£¬ÏòÏÂÏò×ó×ßΪ¸º¡£Èç¹û´ÓAµ½B¼ÇΪ£ºA¡úB£¨£«1£¬£«4£©£¬´ÓBµ½A¼ÇΪ£ºB¡úA£¨£­1£¬£­4£©£¬ÆäÖеÚÒ»¸öÊý±íʾ×óÓÒ·½Ïò£¬µÚ¶þ¸öÊý±íʾÉÏÏ·½Ïò£¬ÄÇôͼÖÐ

(1£©A¡úC£¨    £¬    £©£¬B¡úC£¨    £¬    £©,
C¡ú    £¨-3£¬-4£©£»
(2£©Èô±´±´µÄÐÐ×ß·ÏßΪA¡úB¡úC¡úD£¬Çë¼ÆËã±´±´×ß¹ýµÄ·³Ì£»
(3£©Èô±´±´´ÓA´¦È¥Ñ°ÕÒÄÝÄݵÄÐÐ×ß·ÏßÒÀ´ÎΪ£¨£«2£¬£«2£©£¬£¨£«2£¬£­1£©£¬£¨£­2£¬£«3£©£¬£¨£­1£¬£­2£©£¬ÇëÔÚͼÖбê³öÄÝÄݵÄλÖÃEµã.
£¨4£©ÔÚ(3)Öб´±´Èôÿ×ß1mÐèÏûºÄ1.5½¹¶úµÄÄÜÁ¿,Ôò±´±´Ñ°ÕÒÄÝÄݹý³ÌÖй²ÐèÏûºÄ¶àÉÙ½¹¶úµÄÄÜÁ¿?

(1)(+3,+4)(+2,0)A(ÿ¸ö¸÷1·Ö¹²3·Ö)
(2)10(1·Ö)  (3)ÂÔ(1·Ö) (4)22. 5½¹¶ú(2·Ö) (±¾Ìâ7·Ö)

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

26¡¢Èçͼ£¬°ÂÔ˸£ÍÞÔÚ5¡Á5µÄ·½¸ñ£¨Ã¿Ð¡¸ñ±ß³¤Îª1m£©ÉÏÑØ×ÅÍø¸ñÏßÔ˶¯£®±´±´´ÓA´¦³ö·¢È¥Ñ°ÕÒB¡¢C¡¢D´¦µÄÆäËü¸£ÍÞ£¬¹æ¶¨£ºÏòÉÏÏòÓÒ×ßΪÕý£¬ÏòÏÂÏò×ó×ßΪ¸º£®Èç¹û´ÓAµ½B¼ÇΪ£ºA?B£¨+1£¬+4£©£¬´ÓBµ½A¼ÇΪ£ºB?A£¨-1£¬-4£©£¬ÆäÖеÚÒ»¸öÊý±íʾ×óÓÒ·½Ïò£¬µÚ¶þ¸öÊý±íʾÉÏÏ·½Ïò£¬ÄÇôͼÖÐ
£¨1£©A?C£¨
3
£¬
4
£©£¬B?C£¨
2
£¬
0
£©£¬C?
A
£¨-3£¬-4£©£»
£¨2£©Èô±´±´µÄÐÐ×ß·ÏßΪA?B?C?D£¬Çë¼ÆËã±´±´×ß¹ýµÄ·³Ì£»
£¨3£©Èô±´±´´ÓA´¦È¥Ñ°ÕÒÄÝÄݵÄÐÐ×ß·ÏßÒÀ´ÎΪ£¨+2£¬+2£©£¬£¨+2£¬-1£©£¬£¨-2£¬+3£©£¬£¨-1£¬-2£©£¬ÇëÔÚͼÖбê³öÄÝÄݵÄλÖÃEµã£»
£¨4£©ÔÚ£¨3£©Öб´±´Èôÿ×ß1mÐèÏûºÄ1.5½¹¶úµÄÄÜÁ¿£¬Ôò±´±´Ñ°ÕÒÄÝÄݹý³ÌÖй²ÐèÏûºÄ¶àÉÙ½¹¶úµÄÄÜÁ¿£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

Èçͼ£¬°ÂÔ˸£ÍÞÔÚ5¡Á5µÄ·½¸ñ£¨Ã¿Ð¡¸ñ±ß³¤Îª1m£©ÉÏÑØ×ÅÍø¸ñÏßÔ˶¯£®±´±´´ÓA´¦³ö·¢È¥Ñ°ÕÒB¡¢C¡¢D´¦µÄÆäËü¸£ÍÞ£¬¹æ¶¨£ºÏòÉÏÏòÓÒ×ßΪÕý£¬ÏòÏÂÏò×ó×ßΪ¸º£®Èç¹û´ÓAµ½B¼ÇΪ£ºA¡úB£¨+1£¬+4£©£¬´ÓBµ½A¼ÇΪ£ºB¡úA£¨-1£¬-4£©£¬ÆäÖеÚÒ»¸öÊý±íʾ×óÓÒ·½Ïò£¬µÚ¶þ¸öÊý±íʾÉÏÏ·½Ïò£¬ÄÇôͼÖÐ
£¨1£©A¡úD£¨
+4
+4
£¬
+2
+2
£©£»    C¡ú
A
A
£¨-3£¬-4£©£»
£¨2£©Èô±´±´´ÓA´¦È¥Ñ°ÕÒÄÝÄݵÄÐÐ×ß·ÏßÒÀ´ÎΪ£¨+2£¬+2£©£¬£¨+2£¬-1£©£¬£¨-1£¬+1£©£¬ÇëÔÚͼÖбê³öÄÝÄݵÄλÖÃEµã£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2011-2012ѧÄ꼪ÁÖÊ¡ËÉÔ­ÊзöÓàÏØÆßÄ꼶ÉÏѧÆÚÆÚÖп¼ÊÔÊýѧÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£º½â´ðÌâ

Èçͼ£¬°ÂÔ˸£ÍÞÔÚ5¡Á5µÄ·½¸ñ£¨Ã¿Ð¡¸ñ±ß³¤Îª1m£©ÉÏÑØ×ÅÍø¸ñÏßÔ˶¯£®±´±´´ÓA´¦³ö·¢È¥Ñ°ÕÒB¡¢C¡¢D´¦µÄÆäËü¸£ÍÞ£¬¹æ¶¨£ºÏòÉÏÏòÓÒ×ßΪÕý£¬ÏòÏÂÏò×ó×ßΪ¸º£®Èç¹û´ÓAµ½B¼ÇΪ£ºA¡úB£¨+1£¬+4£©£¬´ÓBµ½A¼ÇΪ£ºB¡úA£¨-1£¬-4£©£¬ÆäÖеÚÒ»¸öÊý±íʾ×óÓÒ·½Ïò£¬µÚ¶þ¸öÊý±íʾÉÏÏ·½Ïò£¬ÄÇôͼÖÐ

£¨1£©A¡úC£¨___£¬___£©£¬B¡úC£¨___£¬___£©£¬C¡ú£¨-3£¬-4£©£»
£¨2£©Èô±´±´µÄÐÐ×ß·ÏßΪA¡úB¡úC¡úD£¬Çë¼ÆËã±´±´×ß¹ýµÄ·³Ì£»
£¨3£©Èô±´±´´ÓA´¦È¥Ñ°ÕÒÄÝÄݵÄÐÐ×ß·ÏßÒÀ´ÎΪ£¨+2£¬+2£©£¬£¨-2£¬-1£©£¬£¨+2£¬+3£©£¬£¨-1£¬-2£©£¬ÇëÔÚͼÖбê³öÄÝÄݵÄλÖÃEµã£®
£¨4£©ÔÚ£¨3£©Öб´±´Èôÿ×ß1ÐèÏûêó1£®5½¹¶úµÄÄÜÁ¿£¬Ôò±´±´Ñ°ÕÒÄÝÄݹý³ÌÖй²ÐèÏûºÄ¶àÉÙ½¹¶úµÄÄÜÁ¿?

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2011-2012ѧÄ꼪ÁÖÊ¡·öÓàÏØÆßÄ꼶µÚһѧÆÚÆÚÖп¼ÊÔÊýѧ¾í ÌâÐÍ£º½â´ðÌâ

Èçͼ£¬°ÂÔ˸£ÍÞÔÚ5¡Á5µÄ·½¸ñ£¨Ã¿Ð¡¸ñ±ß³¤Îª1m£©ÉÏÑØ×ÅÍø¸ñÏßÔ˶¯£®±´±´´ÓA´¦³ö·¢È¥Ñ°ÕÒB¡¢C¡¢D´¦µÄÆäËü¸£ÍÞ£¬¹æ¶¨£ºÏòÉÏÏòÓÒ×ßΪÕý£¬ÏòÏÂÏò×ó×ßΪ¸º£®Èç¹û´ÓAµ½B¼ÇΪ£ºA¡úB£¨+1£¬+4£©£¬´ÓBµ½A¼ÇΪ£ºB¡úA£¨-1£¬-4£©£¬ÆäÖеÚÒ»¸öÊý±íʾ×óÓÒ·½Ïò£¬µÚ¶þ¸öÊý±íʾÉÏÏ·½Ïò£¬ÄÇôͼÖÐ

£¨1£©A¡úC£¨___£¬___£©£¬B¡úC£¨___£¬___£©£¬C¡ú£¨-3£¬-4£©£»
£¨2£©Èô±´±´µÄÐÐ×ß·ÏßΪA¡úB¡úC¡úD£¬Çë¼ÆËã±´±´×ß¹ýµÄ·³Ì£»
£¨3£©Èô±´±´´ÓA´¦È¥Ñ°ÕÒÄÝÄݵÄÐÐ×ß·ÏßÒÀ´ÎΪ£¨+2£¬+2£©£¬£¨-2£¬-1£©£¬£¨+2£¬+3£©£¬£¨-1£¬-2£©£¬ÇëÔÚͼÖбê³öÄÝÄݵÄλÖÃEµã£®
£¨4£©ÔÚ£¨3£©Öб´±´Èôÿ×ß1ÐèÏûêó1£®5½¹¶úµÄÄÜÁ¿£¬Ôò±´±´Ñ°ÕÒÄÝÄݹý³ÌÖй²ÐèÏûºÄ¶àÉÙ½¹¶úµÄÄÜÁ¿?

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸