2020Öп¼Êýѧ±¸¿¼£ºÕûʽµÄÔËËã
Ò»¡¢Õûʽ
µ¥ÏîʽºÍ¶àÏîʽͳ³ÆÕûʽ¡£
(a)ÓÉÊýÓë×ÖĸµÄ»ý×é³ÉµÄ´úÊýʽ½Ð×öµ¥Ïîʽ¡£µ¥¶ÀÒ»¸öÊý»ò×ÖĸҲÊǵ¥Ïîʽ¡£
(b)µ¥ÏîʽµÄϵÊýÊÇÕâ¸öµ¥ÏîʽµÄÊý×ÖÒòÊý£¬×÷Ϊµ¥ÏîʽµÄϵÊý£¬±ØÐëÁ¬Í¬Êý×ÖÇ°ÃæµÄÐÔÖÊ·ûºÅ£¬Èç¹ûÒ»¸öµ¥ÏîʽֻÊÇ×ÖĸµÄ»ý£¬²¢·ÇûÓÐϵÊý£¬ÏµÊýΪ1»ò-1¡£
(c)Ò»¸öµ¥ÏîʽÖУ¬ËùÓÐ×ÖĸµÄÖ¸ÊýºÍ½Ð×öÕâ¸öµ¥ÏîʽµÄ´ÎÊý(×¢Ò⣺³£ÊýÏîµÄµ¥Ïîʽ´ÎÊýΪ0)
(a)¼¸¸öµ¥ÏîʽµÄºÍ½Ð×ö¶àÏîʽ¡£ÔÚ¶àÏîʽÖУ¬Ã¿¸öµ¥Ïîʽ½Ð×ö¶àÏîʽµÄÏî¡£ÆäÖУ¬²»º¬×ÖĸµÄÏî½Ð×ö³£ÊýÏî¡£Ò»¸ö¶àÏîʽÖУ¬´ÎÊý×î¸ßÏîµÄ´ÎÊý£¬½Ð×öÕâ¸ö¶àÏîʽµÄ´ÎÊý¡£
(b)µ¥ÏîʽºÍ¶àÏîʽ¶¼ÓдÎÊý£¬º¬ÓÐ×ÖĸµÄµ¥ÏîʽÓÐϵÊý£¬¶àÏîʽûÓÐϵÊý¡£¶àÏîʽµÄÿһÏÊǵ¥Ïîʽ£¬Ò»¸ö¶àÏîʽµÄÏîÊý¾ÍÊÇÕâ¸ö¶àÏîʽ×÷Ϊ¼ÓÊýµÄµ¥ÏîʽµÄ¸öÊý¡£¶àÏîʽÖÐÿһÏÓÐËüÃǸ÷×ԵĴÎÊý£¬µ«ÊÇËüÃǵĴÎÊý²»¿ÉÄܶ¼×÷ÊÇΪÕâ¸ö¶àÏîʽµÄ´ÎÊý£¬Ò»¸ö¶àÏîʽµÄ´ÎÊýÖ»ÓÐÒ»¸ö£¬ËüÊÇËùº¬¸÷ÏîµÄ´ÎÊýÖÐ×î¸ßµÄÄÇÒ»Ïî´ÎÊý¡£
(a)ÕûʽµÄ¼Ó¼õʵÖÊÉϾÍÊÇÈ¥À¨ºÅºó£¬ºÏ²¢Í¬ÀàÏÔËËã½á¹ûÊÇÒ»¸ö¶àÏîʽ»òÊǵ¥Ïîʽ¡£
(b)À¨ºÅÇ°ÃæÊÇ“-”ºÅ£¬È¥À¨ºÅʱ£¬À¨ºÅÄÚ¸÷ÏîÒª±äºÅ£¬Ò»¸öÊýÓë¶àÏîʽÏà³Ëʱ£¬Õâ¸öÊýÓëÀ¨ºÅÄÚ¸÷ÏҪÏà³Ë¡£