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ʱ:2013-12-1 8:39:45   :habao   Ժδ: 
עȷһ⸴ӵ,ԵʱҪһЧļ㲽ͷʽ֤עĻνС֮ҪôӺôʽҲȲԡ,еĹ,޿ֵԽԽࡣ˷dcƼ顣ûоɼǧ򵽼ѥƵIJԺ,ǺѶеѡƾʽͼ򵥵İ취Ӯ,˷dc,ʵǿ,һֺµ
ӳ,ڴģ,һ谭,֪ġ
Ӷ,СΧ,߸ֱ۵һѥ,ƽܶȺɢɢ״̬,ǿʢɱⲻ嵱ׯеı,Ҳ嵱ֲͬ͵ͼϡһѥ,ׯıܹ30.0%78.33%֮ȶ,еı21.67%70.0%֮䲨,󡣲ķƾ,͹㷺Ϊ50/50ı졣¼׵ظ֪,һֵĽDzԤ,һ׶εͬDzɲ²ġضӿֵĺá֮һ,Ҳ,Ҳһ׼ȷ,ּ˴һֱо̽,ǰӿa,ǰb,򲻻bһ˼άģʽȥ׷ȡʤ֮,ϧ·ͨ
κͶעܸ,Ͷעʶһ Сģѥƻʮѥ,пܲʵƫ,ڴȫֿԡǧҪСڵ۶ϡֻüԵϳʶܹõ˵
Ҫһڴ,档·һ⡢ܵ¼,ʵڲȻ
֪:ׯбռ50.68%:49.32%,ׯʤΪ50.68%*1.95=98.826%,Ϊ-1.174%еʤΪ49.32%*2=98.64%,Ϊ-1.36%ƽע䶯Сע,du͵õȷǸ,Ȼ,ڱ䶯Χܴע,ɹͱ,ܼԵض϶ռǸֵĿľµ,תʤ֮ı,һǮСע,ӮǮڴעľ,ʹʤ,Ӯ>,ɾöıʤijɹ
ÿһ¶,й̶mζڡʽֱ»µĶ7,ʽ15,ʽ31Ρµǰ¥µķʽӴע,ñضĴ0.8mвǽnζ¸,ܹnm,Ӯķ,ȥ0.8nmʵֲ,nm-0.8nm=0.2nmξǵӮ
鵽,ǷزǻԲȳܶȵʵ⡣˻,Ӯ˻ӮdzġһЩ˵IJ˷,ӵһζ¿˻¶ٴζδܼʱ,˷˹ȵж,β²⡣,ҪһĿġŲƾԳϴͣʵķõȶƽ̨вʰ߶ʮ⡣¥̨л,ùֹ㡣һ,Ͷʽ˺ܸߵݶԼѥƵؿģ²ԸѧͼʵʵϤ,Ҫ9ϵĻռϱʤ,ŸЧطܲƽܶȵij,,ֻ˵ӮĿ,˵DZʤ
һע,Զ޲,޻Ϳܲ,ԴûЧ͹,ôȻᵼǮ˵Ľ,ʵ־duӮҲǷսdcļ˵
¼,ǷزǻԲƽܶȵʵ⡣
ûнIJƽܶȵʵ
ʱǾҪӦkϵµѡ
ͼΪӡͼкׯ ·ֽһ,ֻǵߴƽ,оdz2ׯϻжӡ
1000 6ʽ1 2 4 6 9 16 =38 ֹ߶3
㿪,λ,˼ ùʱʼ
Ӧϵͳ,бضĴֲ,ׯм ֻ22:78,22%,̹Ȼ˵k ǻȻһ,䶼
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