ÌâÄ¿ÄÚÈÝ
£¨1£©¼ÆË㣺
£¨2£©Çó²»µÈʽ×éµÄÕûÊý½â
£¨3£©Èçͼ£¬ÓÐA¡¢BÁ½¸öתÅÌ£¬ÆäÖÐתÅÌA±»·Ö³É4µÈ·Ý£¬×ªÅÌB±»·Ö³É3µÈ·Ý£¬²¢ÔÚÿһ·ÝÄÚ±êÉÏÊý×Ö£®Ïּס¢ÒÒÁ½ÈËͬʱ·Ö±ðת¶¯ÆäÖÐÒ»¸öתÅÌ£¬×ªÅÌÍ£Ö¹ºó£¨µ±Ö¸ÕëÖ¸Ôڱ߽çÏßÉÏʱÊÓΪÎÞЧ£¬ÖØת£©£¬Èô½«AתÅÌÖ¸ÕëÖ¸ÏòµÄÊý×Ö¼ÇΪx£¬BתÅÌÖ¸ÕëÖ¸ÏòµÄÊý×Ö¼ÇΪy£¬´Ó¶øÈ·¶¨µãPµÄ×ø±êΪP£¨x£¬y£©£®
¢ÙÇëÓÃÁбí»ò»Ê÷״ͼµÄ·½·¨Ð´³öËùÓпÉÄܵõ½µÄµãPµÄ×ø±ê£»
¢ÚÔڢٵĻù´¡ÉÏ£¬ÇóµãPÂäÔÚ·´±ÈÀýº¯ÊýͼÏóÉϵĸÅÂÊ£®
£¨1£©½â£º
Ôʽ=
=7£»
£¨2£©½â£º½â¢ÙµÃ£ºx£¾-
½â¢ÚµÃ£ºx£¼3
¡à´Ë²»µÈʽ×éµÄ½â¼¯Îª£º
¡ßxΪÕûÊý£¬
¡àx=-2£¬-1£¬0£¬1£¬2£»
£¨3£©Áбí
¡ßÂäÔÚ·´±ÈÀýº¯ÊýͼÏóÉϵĵ㹲ÓÐ2¸ö
¡àP=£®
·ÖÎö£º£¨1£©ÊôÓÚʵÊýµÄÔËË㣬ҪעÒâ=1£¬=3£¬=+1£¬|-2|=2-£¬»¯¼òÇó½â¼´¿É£»
£¨2£©²»µÈʽ×éµÄÇó½â£¬Òª×¢ÒâÌâÄ¿ÒªÇóÊÇÕûÊý½â£»
£¨3£©¸ù¾Ý·´±ÈÀýº¯ÊýµÄÐÔÖÊ£¬ÕÒ³ö·ûºÏµãÔÚº¯Êýy=ͼÏóÉϵĵ㣬¼´¿É¸ù¾Ý¸ÅÂʹ«Ê½Çó½â£®
µãÆÀ£º£¨1£©¿¼²éÁËʵÊýÔËË㣬עÒâa0=1£¨a¡Ù0£©£¬a-p=£¨a¡Ù0£©£¬»¹ÓзÖĸÓÐÀí»¯£¬¾ø¶ÔÖµµÃÇó½â£»
£¨2£©½â²»µÈʽ×éʱҪעÒâÌâÄ¿µÄÒªÇó£»
£¨3£©ÁÐ±í·¨¿ÉÒÔ²»Öز»Â©µÄÁоٳöËùÓпÉÄÜ·¢ÉúµÄÇé¿ö£¬Óõ½µÄ֪ʶµãΪ£º¸ÅÂÊ=ËùÇóÇé¿öÊýÓë×ÜÇé¿öÊýÖ®±È£®
Ôʽ=
=7£»
£¨2£©½â£º½â¢ÙµÃ£ºx£¾-
½â¢ÚµÃ£ºx£¼3
¡à´Ë²»µÈʽ×éµÄ½â¼¯Îª£º
¡ßxΪÕûÊý£¬
¡àx=-2£¬-1£¬0£¬1£¬2£»
£¨3£©Áбí
y x | 2 | 4 | 6 |
1 | £¨1£¬2£© | £¨1£¬4£© | £¨1£¬6£© |
2 | £¨2£¬2£© | £¨2£¬4£© | £¨2£¬6£© |
3 | £¨3£¬2£© | £¨3£¬4£© | £¨3£¬6£© |
4 | £¨4£¬2£© | £¨4£¬4£© | £¨4£¬6£© |
¡ßÂäÔÚ·´±ÈÀýº¯ÊýͼÏóÉϵĵ㹲ÓÐ2¸ö
¡àP=£®
·ÖÎö£º£¨1£©ÊôÓÚʵÊýµÄÔËË㣬ҪעÒâ=1£¬=3£¬=+1£¬|-2|=2-£¬»¯¼òÇó½â¼´¿É£»
£¨2£©²»µÈʽ×éµÄÇó½â£¬Òª×¢ÒâÌâÄ¿ÒªÇóÊÇÕûÊý½â£»
£¨3£©¸ù¾Ý·´±ÈÀýº¯ÊýµÄÐÔÖÊ£¬ÕÒ³ö·ûºÏµãÔÚº¯Êýy=ͼÏóÉϵĵ㣬¼´¿É¸ù¾Ý¸ÅÂʹ«Ê½Çó½â£®
µãÆÀ£º£¨1£©¿¼²éÁËʵÊýÔËË㣬עÒâa0=1£¨a¡Ù0£©£¬a-p=£¨a¡Ù0£©£¬»¹ÓзÖĸÓÐÀí»¯£¬¾ø¶ÔÖµµÃÇó½â£»
£¨2£©½â²»µÈʽ×éʱҪעÒâÌâÄ¿µÄÒªÇó£»
£¨3£©ÁÐ±í·¨¿ÉÒÔ²»Öز»Â©µÄÁоٳöËùÓпÉÄÜ·¢ÉúµÄÇé¿ö£¬Óõ½µÄ֪ʶµãΪ£º¸ÅÂÊ=ËùÇóÇé¿öÊýÓë×ÜÇé¿öÊýÖ®±È£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿