ÌâÄ¿ÄÚÈÝ
ijУһ¿ÎÌâС×é¶ÔÎ÷°²Êй¤Ð½½×²ã¶Ô¡°Â¥ÊÐÏÞ¹ºÁ̬¶È½øÐе÷²é£¬³éµ÷ÁË50ÈË£¬ËûÃÇÔÂÊÕÈëƵÊý·Ö²¼¼°¶Ô¡°Â¥ÊÐÏÞ¹ºÁÔÞ³ÉÈËÊýÈçϱí.
ÔÂÊÕÈë £¨µ¥Î»£º°ÙÔª£© |
||||||
ƵÊý |
5 |
10 |
15 |
10 |
5 |
5 |
ÔÞ³ÉÈËÊý |
4 |
8 |
12 |
5 |
3 |
1 |
£¨1£©Íê³ÉÏÂͼµÄÔÂÊÕÈëƵÂÊ·Ö²¼Ö±·½Í¼£¨×¢ÒâÌîд×Ý×ø±ê£©£»
(2£©Èô´ÓÊÕÈ루µ¥Î»£º°ÙÔª£©Ôڵı»µ÷²éÕßÖи÷Ëæ»úÑ¡È¡Á½È˽øÐÐ×·×Ùµ÷²é£¬¼ÇÑ¡ÖеÄ4ÈËÖв»Ô޳ɡ°Â¥ÊÐÏÞ¹ºÁÈËÊýΪ£¬ÇóËæ»ú±äÁ¿µÄ·Ö²¼ÁкÍÊýѧÆÚÍû.
½â£º£¨1£©¸÷×éµÄƵÂÊ·Ö±ðÊÇ£¬ ¡¡¡¡¡¡¡¡¡2·Ö
ËùÒÔͼÖи÷×éµÄ×Ý×ø±ê·Ö±ðÊÇ£º£¬¡¡¡¡¡¡¡¡¡3·Ö
¡¡¡¡¡¡¡¡¡5·Ö
£¨2£©ËùÓпÉÄÜÈ¡ÖµÓÐ0,1,2,3£¬ ¡¡¡¡¡¡¡¡6·Ö
£¬ ¡¡¡¡¡¡¡¡7·Ö
¡¡¡¡¡¡¡¡8·Ö
¡¡¡¡¡¡¡¡9·Ö
¡¡¡¡¡¡¡¡10·Ö
ËùÒԵķֲ¼ÁÐÊÇ
0 |
1 |
2 |
3 |
|
¡¡¡¡¡¡¡¡11·Ö
ËùÒÔµÄÆÚÍûÖµÊÇ. ¡¡¡¡¡¡¡¡12·Ö
¡¾½âÎö¡¿±¾ÊÔÌâÖ÷ÒªÊÇ¿¼²éÁËÖ±·½Í¼µÄÔËÓã¬ÒÔ¼°·Ö²¼ÁеÄÇó½âºÍÊýѧÆÚÍûÖµµÄ×ÛºÏÔËÓá£
£¨1£©Ö±·½Í¼ÖÐÃæ»ý´ú±íƵÂÊ£¬¿ÉÖª¸÷×éµÄƵÂÊ·Ö±ðÊÇ£¬È»ºóµÃµ½¸÷¸ö×éµÄ×Ý×ø±êµÄÖµ¡£
£¨2£©ÏÈ·ÖÎöËæ»ú±äÁ¿µÄ¿ÉÄÜÈ¡Öµ£¬È»ºóÀûÓùŵä¸ÅÐ͸ÅÂʹ«Ê½µÃµ½·Ö²¼ÁкÍÊýѧÆÚÍûÖµ¡£
ÔÂÊÕÈë £¨µ¥Î»£º°ÙÔª£© |
[15£¬25£© | [25£¬35£© | [35£¬45£© | [45£¬55£© | [55£¬65£© | [65£¬75£© |
ƵÊý | 5 | 10 | 15 | 10 | 5 | 5 |
ÔÞ³ÉÈËÊý | 4 | 8 | 12 | 5 | 3 | 1 |
ÔÂÊÕÈë²»µÍÓÚ55°ÙÔªÈËÊý | ÔÂÊÕÈëµÍÓÚ55°ÙÔªÈËÊý | ºÏ¼Æ | |
ÔÞ³É | a= |
c= |
|
²»ÔÞ³É | b= |
d= |
|
ºÏ¼Æ |
ijУһ¿ÎÌâС×é¶ÔÄϲýÊй¤Ð½½×²ã¶Ô¡°Â¥ÊÐÏÞ¹ºÁ̬¶È½øÐе÷²é£¬³éµ÷ÁË50ÈË£¬ËûÃÇÔÂÊÕÈëƵÊý·Ö±ð±í¼±¶Ô¡°Â¥ÊÐÏÞ¹ºÁÔÞ³ÉÈËÊýÈçÏÂ±í¡£
ÔÂÊÕÈë £¨µ¥Î»£º°ÙÔª£© | ||||||
ƵÊý | 5 | 10 | 15 | 10 | 5 | 5 |
ÔÞ³ÉÈËÊý | 4 | 8 | 12 | 5 | 3 | 1 |
£¨1£©Íê³ÉÏÂͼµÄÔÂÊÕÈëƵÂÊ·Ö²¼Ö±·½Í¼£¨×¢ÒâÌîд×Ý×ø±ê£©¼°2¡Á2ÁÐÁª±í£»
ÔÂÊÕÈë²»µÍÓÚ55°ÙÔªÈËÊý | ÔÂÊÕÈëµÍÓÚ55°ÙÔªÈËÊý | ºÏ¼Æ | |
ÔÞ³É | |||
²»ÔÞ³É | |||
ºÏ¼Æ |
£¨2£©Èô´ÓÊÕÈ루µ¥Î»£º°ÙÔª£©Ôڵı»µ÷²éÕßÖÐËæ»úÑ¡È¡Á½È˽øÐÐ×·×Ùµ÷²é£¬ÇóÑ¡ÖеÄ2ÈËÇ¡ºÃÓÐ1È˲»Ô޳ɡ°Â¥ÊÐÏÞ¹ºÁµÄ¸ÅÂÊ.