åēéĄ:ããĒããŖãĢãã
()
ãããã¤åŽã¯åŧąãããããĒãããã¨æãŖãã¤ãŗããŧãŽįšåž´
čŠŗį´°ããŧã¸(21)ééãããããã
ãšãã˛ãããŖãããŽããąã§ããééãããããã
ãšãã˛ãããŖãããŽããąã§ãã