1.°¡Àå ¸¹ÀÌ ÃâÇöÇÑ È¦Â¦ Åë°è( Ȧ 3 : ¦ 3 )= Åë°è¹üÀ§ ¹«ÀÛÀ§ ÃßÃâ
3, 6, 9, 10, 12, 39