* ã ϴ  Է ּ.

(ʥߩ; addition method)
ΰġ ΰǺ η ΰġ ϴ ׸ Ͽ ϴ Ѵ. ⿡ Ͽ ׿ ܺα԰ġ Ͽ ΰġ ϴ ̶ Ѵ.