ÌâÄ¿ÄÚÈÝ
ÔÚij´óѧÁªÃ˵Ä×ÔÖ÷ÕÐÉú¿¼ÊÔÖУ¬±¨¿¼ÎÄʷרҵµÄ¿¼Éú²Î¼ÓÁËÈËÎÄ»ù´¡Ñ§¿Æ¿¼ÊÔ¿ÆÄ¿¡°ÓïÎÄ¡±ºÍ¡°Êýѧ¡±µÄ¿¼ÊÔ.ij¿¼³¡¿¼ÉúµÄÁ½¿Æ¿¼ÊԳɼ¨Êý¾Ýͳ¼ÆÈçÏÂͼËùʾ£¬±¾´Î¿¼ÊÔÖгɼ¨ÔÚ
ÄڵļÇΪ
£¬ÆäÖС°ÓïÎÄ¡±¿ÆÄ¿³É¼¨ÔÚ
ÄڵĿ¼ÉúÓÐ10ÈË.
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/2014082404322128910260.jpg)
£¨1£©Çó¸Ã¿¼³¡¿¼ÉúÊýѧ¿ÆÄ¿³É¼¨Îª
µÄÈËÊý£»
£¨2£©ÒÑÖª²Î¼Ó±¾¿¼³¡²âÊԵĿ¼ÉúÖУ¬Ç¡ÓÐ2È˵ÄÁ½¿Æ³É¼¨¾ùΪ
.ÔÚÖÁÉÙÒ»¿Æ³É¼¨Îª
µÄ¿¼ÉúÖУ¬Ëæ»ú³éÈ¡2È˽øÐзÃ̸£¬ÇóÕâ2È˵ÄÁ½¿Æ³É¼¨¾ùΪ
µÄ¸ÅÂÊ.
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221211485.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221257536.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/2014082404322128910260.jpg)
£¨1£©Çó¸Ã¿¼³¡¿¼ÉúÊýѧ¿ÆÄ¿³É¼¨Îª
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
£¨2£©ÒÑÖª²Î¼Ó±¾¿¼³¡²âÊԵĿ¼ÉúÖУ¬Ç¡ÓÐ2È˵ÄÁ½¿Æ³É¼¨¾ùΪ
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
(1)3;(2)
.
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221367338.png)
ÊÔÌâ·ÖÎö£º(1)ƵÂÊ·Ö²¼Ö±·½Í¼ÖÐÃæ»ý±íʾƵÂÊ£¬ÉèƵÂÊ=
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221382476.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221398357.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221413647.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221445300.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221460631.png)
(2)Ê×ÏÈËã³öÓïÎÄÓëÊýѧÖгɼ¨Îª
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221445300.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221445300.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221445300.png)
ÊÔÌâ½âÎö£º£¨1£©¸Ã¿¼³¡µÄ¿¼ÉúÈËÊýΪ10¡Â0.25=40ÈË. 2·Ö
Êýѧ¿ÆÄ¿³É¼¨Îª
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
40¡Á(1-0.0025¡Á10-0.015¡Á10-0.0375¡Á10¡Á2)=40¡Á0.075=3ÈË. 6·Ö
£¨2£©ÓïÎĺÍÊýѧ³É¼¨ÎªAµÄ¸÷ÓÐ3ÈË£¬ÆäÖÐÓÐÁ½È˵ÄÁ½¿Æ³É¼¨¾ùΪ
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
ÉèÕâËÄÈËΪ¼×¡¢ÒÒ¡¢±û¡¢¶¡£¬ÆäÖмס¢ÒÒµÄÁ½¿Æ³É¼¨¾ùΪ
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
Éè¡°Ëæ»ú³éÈ¡Á½ÈË£¬ÕâÁ½È˵ÄÁ½¿Æ³É¼¨¾ùΪ
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221242338.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221616445.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221616445.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824043221647773.png)
![](http://thumb.zyjl.cn/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿