åºé¡:ãããã¡ã¡ðããã
()
åã¯ã©ããªçœªãç¯ããã®ããïŒãAæ°ïŒæ®º 人ã§ããBæ°ïŒåŒ·çã§ããããªãïŒâââã
詳现ããŒãž(16)ãã®åšã®ããŒããå°æããŸãã
åŠåããã®ãã±ã§ããããã³ã
ãã£ïŒããã¯æ»åã«ã§ããªã⊠ãããã¡ã¡ðã -