ÌâÎÄ

ÔĶÁÏÂÁÐÄÚÈݺ󣬽â´ðÏÂÁи÷Ì⣺¼¸¸ö²»µÈÓÚ0µÄÊýÏà³Ë£¬»ýµÄ·ûºÅÓɸºÒòÊýµÄ¸öÊý¾ö¶¨£® ÀýÈ磺¿¼²é´úÊýʽ£¨x-1£©£¨x-2£©µÄÖµÓë0µÄ´óС µ±x£¼1ʱ£¬x-1£¼0£¬x-2£¼0£¬¡à£¨x-1£©£¨x-2£©£¾0 µ±1£¼x£¼2ʱ£¬x-1£¾0£¬x-2£¼0£¬¡à£¨x-1£©£¨x-2£©£¼0 µ±x£¾2ʱ£¬x-1£¾0£¬x-2£¾0£¬¡à£¨x-1£©£¨x-2£©£¾0 ×ÛÉÏ£ºµ±1£¼x£¼2ʱ£¬£¨x-1£©£¨x-2£©£¼0 µ±x£¼1»òx£¾2ʱ£¬£¨x-1£©£¨x-2£©£¾0 £¨1£©ÌîдÏÂ±í£º£¨Óá°+¡±»ò¡°-¡±ÌîÈë¿Õ¸ñ´¦£© £¨2£©ÓÉÉϱí¿ÉÖª£¬µ±xÂú×ã______ʱ£¬£¨x+2£©£¨x+1£©£¨x-3£©£¨x-4£©£¼0£» £¨3£©ÔËÓÃÄã·¢ÏֵĹæÂÉ£¬Ö±½Óд³öµ±xÂú×ã______ʱ£¬£¨x-7£©£¨x+8£©£¨x-9£©£¼0£® x£¼-2 -2£¼x£¼-1 -1£¼x£¼3 3£¼x£¼4 x£¾4 x+2 - + + + + x+1 - - + + + x-3 - - - + + x-4 - - - - + £¨x+2£©£¨x+1£©£¨x-3£©£¨x-4£© + -

ÌâÐÍ£º½â´ðÌâ  ÄѶȣºÖеµ

´ð°¸

£¨1£©+£¬-£¬+£» £¨2£©-2£¼x£¼-1»ò3£¼x£¼4£» £¨3£©x£¼-8»ò7£¼x£¼9£®

¾Ýר¼ÒȨÍþ·ÖÎö£¬ÊÔÌâ¡°ÔĶÁÏÂÁÐÄÚÈݺ󣬽â´ðÏÂÁи÷Ì⣺¼¸¸ö²»µÈÓÚ0µÄÊýÏà³Ë£¬»ýµÄ·ûºÅÓÉ..¡±Ö÷Òª¿¼²éÄã¶Ô  Ò»ÔªÒ»´Î²»µÈʽµÄÓ¦Ó࠵ȿ¼µãµÄÀí½â¡£¹ØÓÚÕâЩ¿¼µãµÄ¡°µµ°¸¡±ÈçÏ£º

Ò»ÔªÒ»´Î²»µÈʽµÄÓ¦ÓÃ

¿¼µãÃû³Æ£ºÒ»ÔªÒ»´Î²»µÈʽµÄÓ¦ÓÃ

• Ò»ÔªÒ»´Î²»µÈʽµÄÓ¦ÓðüÀ¨Á½¸ö·½Ã棺
  1¡¢Í¨¹ýÒ»ÔªÒ»´Î²»µÈʽÇó×ÖĸµÄÈ¡Öµ·¶Î§£»
  2¡¢ÁÐÒ»ÔªÒ»´Î²»µÈʽ½âʵ¼ÊÓ¦ÓÃÌâ¡£

• Áв»µÈʽ½âÓ¦ÓÃÌâµÄÒ»°ã²½Ö裺
  £¨1£©ÉóÌ⣻
  £¨2£©Éèδ֪Êý£»
  £¨3£©È·¶¨°üº¬Î´ÖªÊýµÄ²»µÈÁ¿¹Øϵ£»
  £¨4£©Áгö²»µÈʽ£»
  £¨5£©Çó³ö²»µÈʽµÄ½â¼¯£¬¼ìÑé²»µÈʽµÄ½âÊÇ·ñ·ûºÏÌâÒ⣻
  £¨6£©Ð´³ö´ð°¸¡£