½â£º
£¨1£©Ôʽ=
![](http://thumb.zyjl.cn/pic5/latex/245355.png)
¡Á
![](http://thumb.zyjl.cn/pic5/latex/193610.png)
=x+3£¬
°Ñx=
![](http://thumb.zyjl.cn/pic5/latex/178735.png)
´úÈëÔʽµÃ
![](http://thumb.zyjl.cn/pic5/latex/559.png)
£»
£¨2£©Ôʽ=
![](http://thumb.zyjl.cn/pic5/latex/473162.png)
=
![](http://thumb.zyjl.cn/pic5/latex/473163.png)
£¬
¡ßa=1-
![](http://thumb.zyjl.cn/pic5/latex/53.png)
£¼0£¬
¡àÔʽ=
![](http://thumb.zyjl.cn/pic5/latex/267113.png)
=
![](http://thumb.zyjl.cn/pic5/latex/142705.png)
£»
£¨3£©¡ß
![](http://thumb.zyjl.cn/pic5/latex/166652.png)
£¬
¡àab=1£¬
¡àa
2-a
2005b
2006+b
2=a
2-£¨ab£©
2005b+b
2=a
2-b+b
2=
![](http://thumb.zyjl.cn/pic5/latex/473164.png)
£»
£¨4£©ÓÉͼ֪£¬a£¼-1£¬b£¾1£¬
ÔòÔʽ=-£¨a+1£©+2£¨b-1£©+£¨a-b£©
=b-3£»
£¨5£©¢Ù
![](http://thumb.zyjl.cn/pic5/latex/374782.png)
£»
¢Ú
![](http://thumb.zyjl.cn/pic5/latex/473165.png)
£®
£¨6£©¢ÙÓÉÌâÒâÓС÷=£¨2m-1£©
2-4m
2¡Ý0£¬½âµÃm¡Ü
![](http://thumb.zyjl.cn/pic5/latex/96.png)
£¬
¼´ÊµÊýmµÄÈ¡Öµ·¶Î§ÊÇm¡Ü
![](http://thumb.zyjl.cn/pic5/latex/96.png)
£»
¢ÚÓÉx
12-x
22=0µÃ£¨x
1+x
2£©£¨x
1-x
2£©=0£®
Èôx
1+x
2=0£¬¼´-£¨2m-1£©=0£¬
½âµÃ
![](http://thumb.zyjl.cn/pic5/latex/5781.png)
£¬
¡ß
![](http://thumb.zyjl.cn/pic5/latex/473166.png)
£¬¡à
![](http://thumb.zyjl.cn/pic5/latex/5781.png)
²»ºÏÌâÒ⣬ÉáÈ¥£®
Èôx
1-x
2=0£¬¼´x
1=x
2
Ôò¡÷=0£¬ÓÉ£¨1£©Öª
![](http://thumb.zyjl.cn/pic5/latex/37194.png)
£®
¹Êµ±x
12-x
22=0ʱ£¬m=
![](http://thumb.zyjl.cn/pic5/latex/96.png)
£®
·ÖÎö£º£¨1£©£¨2£©£¨3£©´úÊýʽ»¯¼ò£¬Ê×ÏÈ°Ñ´úÊýʽÀûÓ÷Öʽ¼ÆËã·¨ÔòºÍÒòʽ·Ö½â½øÐл¯¼ò£¬È»ºóx£¬aµÄÖµ´úÈëÇóÔ´úÊýʽµÄÖµ£®µÚ3Ìâ¹Ø¼ü½«a
2005b
2006ת»¯Îª£¨ab£©
2005b£»
£¨4£©¸ù¾ÝËãÊõƽ·½¸ùºÍ¾ø¶ÔÖµµÄ·Ç¸ºÐÔ»¯¼ò£»
£¨5£©¸ù¾ÝËãʽÕÒ³ö¸ùºÅÄÚ·Öĸ±ä»¯µÄ¹æÂɼ´n
2-1£»
£¨6£©ÓøùµÄÅбðʽÇómµÄÈ¡Öµ·¶Î§£¬¸ùÓëϵÊýµÄ¹Øϵ±äÐÎÇómµÄÖµ²¢¼ìÑ飮
µãÆÀ£º´ËÌâÖ÷Òª¿¼²é´úÊýʽ»¯¼ò£¬ÕÒ¹æÂÉÁдúÊýʽ£¬¸ùµÄÅбðʽ¼°¸ùÓëϵÊýµÄ¹Øϵ£®