ÌâÄ¿ÄÚÈÝ

£¨±¾Ð¡ÌâÂú·Ö12·Ö£©
¼×ÒÒÁ½¸öѧУ¸ßÈýÄ꼶·Ö±ðΪ1100ÈË£¬1000ÈË£¬ÎªÁËͳ¼ÆÁ½¸öѧУÔÚµØÇø¶þÄ£¿¼ÊÔµÄÊýѧ¿ÆÄ¿³É¼¨£¬²ÉÓ÷ֲã³éÑù³éÈ¡ÁË105ÃûѧÉúµÄ³É¼¨£¬²¢×÷³öÁ˲¿·ÖƵÂÊ·Ö²¼±íÈçÏ£º£¨¹æ¶¨¿¼ÊԳɼ¨ÔÚ[120£¬150]ÄÚΪÓÅÐ㣩
¼×У£º
·Ö×é







[140,150]
ƵÊý
2
3
10
15
15
x
3
1
ÒÒУ£º
·Ö×é







[140,150]
ƵÊý
1
2
9
8
10
10
y
3
  £¨1£©¼ÆËãx£¬yµÄÖµ£¬²¢·Ö±ð¹À¼ÆÁ½ÉÏѧУÊýѧ³É¼¨µÄÓÅÐãÂÊ£»
£¨2£©ÓÉÒÔÉÏͳ¼ÆÊý¾ÝÌîдÏÂÃæ2¡Á2ÁÐÁª±í£¬²¢ÅжÏÊÇ·ñÓÐ97.5%µÄ°ÑÎÕÈÏΪÁ½¸öѧУµÄÊýѧ³É¼¨ÓвîÒì.
 
¼×У
ÒÒУ
×ܼÆ
ÓÅÐã
 
 
 
·ÇÓÅÐã
 
 
 
×ܼÆ
 
 
 
¸½£º

0£®10
0£®025
0£®010

2£®706
5£®024
6£®635

½â£º£¨1£©ÒÀÌâ¼×У³éÈ¡55ÈË£¬ÒÒУ³éÈ¡50·Ö£¬                ¡­¡­¡­¡­2·Ö
¹Êx=6£¬y="7                                           " ¡­¡­¡­¡­4·Ö
¹À¼Æ¼×УÓÅÐãÂÊΪ
ÒÒУÓÅÐãÂÊΪ                               ¡­¡­¡­¡­6·Ö
£¨2£©
 
¼×У
ÒÒУ
×ܼÆ
ÓÅÐã
10
20
30
·ÇÓÅÐã
45
30
75
×ܼÆ
55
50
105
                                                         ¡­¡­¡­¡­8·Ö
                 ¡­¡­¡­¡­10·Ö
ÓÖÒòΪ                                   ¡­¡­¡­¡­11·Ö
¹ÊÓÐ97.5%µÄ°ÑÎÕÈÏΪÁ½¸öѧУµÄÊýѧ³É¼¨ÓвîÒì.         ¡­¡­¡­¡­12·Ö
£¨×¢£ºÎ´¾­¹ý¼ÆË㣬»ò¼ÆËã´íÎó´ð³öÓÐ97.5%µÄ°ÑÎÕÈÏΪÁ½¸öѧУµÄÊýѧ³É¼¨ÓвîÒìµÄͬѧ²»µÃ·Ö.£©
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø