ÌâÄ¿ÄÚÈÝ

£¨±¾Ìâ8·Ö£©Èçͼ£¬Ò»Ö»¼×³æÔÚ5¡Á5µÄ·½¸ñ£¨Ã¿Ð¡¸ñ±ß³¤Îª1£©ÉÏÑØ×ÅÍø¸ñÏßÔ˶¯¡£Ëü´ÓA´¦³ö·¢È¥¿´ÍûB¡¢C¡¢D´¦µÄÆäËü¼×³æ£¬¹æ¶¨£ºÏòÉÏÏòÓÒ×ßΪÕý£¬ÏòÏÂÏò×ó×ßΪ¸º¡£Èç¹û´ÓAµ½B¼ÇΪ£ºA¡úB£¨£«1£¬£«4£©£¬´ÓBµ½A¼ÇΪ£ºA¡úB£¨£­1£¬£­4£©£¬ÆäÖеÚÒ»¸öÊý±íʾ×óÓÒ·½Ïò£¬µÚ¶þ¸öÊý±íʾÉÏÏ·½Ïò£¬ÄÇôͼÖÐ
£¨1£©A¡úC£¨    £¬    £©£¬B¡úC£¨    £¬    £©,
C¡ú     £¨£«1£¬    £©£» £¨3·Ö£©
£¨2£©ÈôÕâÖ»¼×³æµÄÐÐ×ß·ÏßΪA¡úB¡úC¡úD£¬Çë¼ÆËã¸Ã¼×³æ×ß¹ýµÄ·³Ì£»£¨3·Ö£©
£¨3£©ÈôÕâÖ»¼×³æ´ÓA´¦È¥¼×³æP´¦µÄÐÐ×ß·ÏßÒÀ´ÎΪ£¨£«2£¬£«2£©£¬£¨£«2£¬£­1£©£¬
£¨£­2£¬£«3£©£¬£¨£­1£¬£­2£©£¬ÇëÔÚͼÖбê³öPµÄλÖᣣ¨2·Ö£©

£¨1£©A¡úC£¨   +2 £¬  +4  £©£¬B¡úC£¨  +1  £¬  £©,
C¡ú  D   £¨£«1£¬  -3  £©£» £¨3·Ö£©
£¨2£©10
£¨3£©ÂÔ

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø