ħУݵĶ簮
ҳ
ص
壺
С
ˣС(1/2)
ǩ
ܹ
Ŀ¼
Ľ已߲ݵڵ³ĵټ϶˸ķ˽巸磬Եɣģ˹ڤzϡ
Ľ˱費֪ߵĽ巵ߣ磬ûԷ尾ס
Ľ巶ŷһᣬվ˵㡣
Ѿͷķ......ѳԡ
Ľ빬ڤˣҲĽ巿ڤ˺һᡣ
ͻȻһ˫ຫĽ巵̫ѨĽʶΪѾͷ˲ʱתͷ۵
հֱĽ巵ľٶһ巸磬ҡ
ĽȻʲô̫ΣˣϽȥ
հҡҡͷүүֲԷල㡣
ĽüͷһƳһϡ˼
ˣС(1/2),һҳĶ
һ
Ŀ¼
һҳ