(2/2)ҳ
Ҫн
Ѱزʣɽúʵҵ˵ίּѧϰغȽн辭飬ίͷͶʣӵĸ↑ţҪʧܣ˼˵ˣʯͷӡ
Ҳ֪ô˵ί쵼ġ
ΪСƷгijɹǰǰίٸһ֮ǰijɹ
ǴǿءĹϵ
ⶼö֪
֮ί˺ü۹ȻǴӦҪ֪Ȼ⿴һһ⣬ҲȫûпĿܣѣˮú۴пܣϲκξӯĿϾÿ춼ڷȺӵĶʽͶʣһˣծݣֲǺⶼ¡
Ҫվ
Ҳ˵һ쵼㣬治٣ʹпڶᱳĹϵһ˵ˣһί쵼㣬һŸ϶ġ
ᣬ棬һ½ˣԹٷ½üִ½ȥٲƥĹӪú߲Ρ
ʱӪúѾĵһԣשɣβɽص̽úͣǹӪúΪʡúҵӦʲã˭еĿɡ
ǵļԱҪȫģѧģЧģɽصµúüֵҪһװȫģѧģЧIJúʩ
ʩĿǰʡҲֻعӪúſṩ˭
ԣ˴εIJɽú⣬飬ҪǹӪúһݣҲѻɽúһ飬»ᣬ㣬ǹӪúʲãӵоȨ
棬ɽú飬һҪ200ԳʽǹӪúϳ50ռ25%ҳԴ豸ռ5%ϼռ30%˭˭ԣԡ
˵꣬Ŀɨȫȫ
ˣҲʾ齨Ͷ˾50ϳɽú25%ɷݣ˭˭ԣ
30%+25%=55%
һķݶôһڸˣڳƫƫ˭Ҳ
˵ˣɽúƤȨϸ˵ڻϻίϣ˶ûƾʲô
һʱ䡣
˵Ŀ⣬ͬʱϴ֧顣
ϴ֧óõĸӣĴ.ҽϻίϳɽú25%Ȩ30ӣϻɽԲ֮ڵƤ½ίУ70ϳɽú20%ĹȨ.
䣬ûȫ˵꣬һʯǧˡ
ʲô
˭ϻĵӣҪôࣿ
ˣһǷˣ25%+20%պ45%ټ25%Ӫú30%Ͷˣǻʲôˣ𣿡
٣ϻϳDzϣǸ½ĵë˭֪˭˶ûôĿڣҲҭ
ǣǶϣ˵ˣ˭֪ϻֻǸӣǸ˺ü賧ijеĴʮϳ
ʮ
Ǹ½ģʲô⣬ҽм70Ҳ·ͷؾͲôţƵб£Ͱ100ֽóҾͷǣòɣǾͲǵϳ
ԣϣҿӦֻϻ10%ȨӦȫóڳЩϳʲôèԶ̲ٿһ£ЩɷȫˣǻҪЩʲô
ǣϼ쵼ǣǿҪˣһҪ˵ʱòǮЦǣǿɶ
һʱ䣬ֺģʱ죬ȫָϻ̰Լ½ֵĿЦ
ǾͲһ롣
ϻģɽϻڵIJ賧ҲϻģϻԲɽúĽӵоȨֻdzڳռ⣬ֶϳ10%ĹȨһ50%ϳǾȻָΪʲôȥָίȥָӪúָǵ̰
˵ףӲ
ǩĶ