Question

(±¾Ð¡ÌâÂú·Ö8·Ö) 

ͳ¼Æ2010ÄêÉϺ£ÊÀ²©»áÇ°20ÌìÈղιÛÈËÊý£¬µÃµ½ÈçÏÂƵÊý·Ö²¼±íºÍƵÊý·Ö²¼  Ö±·½Í¼£¨²¿·ÖδÍê³É£©:

 

×é±ð£¨ÍòÈË£©	×éÖÐÖµ(ÍòÈË)	ƵÊý	ƵÂÊ
7.5¡«14.5	11	5	0.25
14.5¡«21.5		6	0.30
21.5¡«28.5	25		0.30
28.5¡«35.5	32	3

 

£¨1£©Ç벹ȫƵÊý·Ö²¼±íºÍƵÊý·Ö²¼Ö±·½Í¼£»

£¨2£©Çó³öÈղιÛÈËÊý²»µÍÓÚ22ÍòµÄÌìÊýºÍËùÕ¼µÄ°Ù·Ö±È£»

£¨3£©ÀûÓÃÒÔÉÏÐÅÏ¢£¬ÊÔ¹À¼ÆÉϺ£ÊÀ²©»á£¨»áÆÚ184Ì죩µÄ²Î¹Û×ÜÈËÊý.

 

Answer 1

¡¾´ð°¸¡¿

 

£¨1£©ÂÔ

£¨2£©9Ìì     45%

£¨3£©3762.8Íò

¡¾½âÎö¡¿

£¨1£©

 

×é±ð£¨ÍòÈË£©	×éÖÐÖµ(ÍòÈË)	ƵÊý	ƵÂÊ
7.5¡«14.5	11	5	0.25
14.5¡«21.5	18	6	0.30
21.5¡«28.5	25	6	0.30
28.5¡«35.5	32	3	0.15

Ìî

 

 

 

 

ƵÊý·Ö²¼±í                       --- 2·Ö

ƵÊý·Ö²¼Ö±·½Í¼                                       --- 2·Ö

£¨2£©ÈղιÛÈËÊý²»µÍÓÚ22ÍòÓÐ9Ìì,                         --- 1·Ö

ËùÕ¼°Ù·Ö±ÈΪ45£¥.                                 --- 1·Ö

£¨3£©ÊÀ²©»áÇ°20ÌìµÄƽ¾ùÿÌì²Î¹ÛÈËÊýԼΪ

£½20.45£¨ÍòÈË£©                 ---1·Ö

20.45¡Á184£½3762.8£¨ÍòÈË£©

¡à ¹À¼ÆÉϺ£ÊÀ²©»á²Î¹ÛµÄ×ÜÈËÊýԼΪ3762.8ÍòÈË.                    --- 1·Ö