(1/2)ҳ
Ȼ˶ˣҪʲô˵DzǡħֶһЦ
ΪʲôȥǸȥǸʲôŶħDzκθЦݣױˡ
ô֪Ǹ˾ͲǵءħһּʵĿתߣҲһŵǸкһװһ˿۾ӡ
ĺʦ˵
ʱĺսսһҲ˾ͺħһ㣬ϵ亹ͬˮһ㣬ֱʡ
Ļʱӵķ12غϡ
Ҳ˹ȵףĻЩ۵ۣôҲ벻ЩĻȻܹԼ
ħߵĻԣָǸߴٷ֮ʮߵͬͶƱʶЩź˵ٷ֮ϣܺúûȥ
첻
ٶһ㰡ʱ
ȥȥȥ
ְָŶʮޣ
һԾǵĺÿһ
ѸϷԣħּϧʼ磺ϧˣûȥ˺úϧӰɡ
ĻЩƽȴ쳣۵ۣ
Ҫҽ
Ϊĸĸѣ
ǷЩǮ֮·ܻа취
ֻҪӦҲٶIJǮҽ
ˣĸô
ֻһΣҪ벻
֪ʲôʱĻϵĻռԭѹԵͬһ½
15
25
32
44
49
ͶƱ˫
ܻ
㣬ٿ㣬ٿ
ĶЩͶƱʣһ˺Լϵ۲Ӧñſֲ´̬δҲһĻҲͿһ˵
ͶƱʴﵽ499һ̡
ʱֹһ̣12غһ
ͣ499ͶƱ
(1/2)ҳ,һҳĶ
ǩĶ