å κԴϴ.Ǵ454~616-- ȲŹ ڤ 1-21 (21) 1.2.7.8.16.17.18.19. ִå 13Ǹ. 3.4.5.6 ױ DZ ǥ å Ƽ ۾ ̻ ȣ.. 9..10.11.12.13.14.15..20.21.9 ȣϸ DZ . ***.3.4.5.6; ױ å̸ ߱. ױǸ Ƽ ѱǴ 2̸ δ ѱǴ 3Դϴ.2X4= 8 --3X9 27 .35 . . δ ȣ å.