Thø ba ngµy 6 th¸ng 11 n¨m 2007 To¸n 5 + 1 = 6 1 + 5 = 6 4 + 2 = 6 2 + 4 = 6 3 + 3 = 6 PhÐp céng trong ph¹m vi 6 6 + 0 = 6 0 + 6 = 6 ? ? ? ? ? Bµi 1 : TÝnh 5 + 1 2 + 4 3 + 3 1 + 5 4 + 2 0 + 6 6 666 6 6§ § § § § § Bµi 2 : TÝnh 6 6 6 6 6 5 5 4 § § § § § § § § 4 + 2 = 2 + 4 = 5 + 1 = 1 + 5 = 5 + 0 = 0 + 5 = 2 + 2 = 3 + 3 = Bµi 3 : TÝnh 3 + 2 + 1 = 6 5 + 1 = 6 3 + 2 + 1 = 33 + = 6 3 + 1 + 2 = = 6 4 + 2 Bµi 4 : ViÕt phÐp tÝnh thÝch hîp 4 + 2 = 6 § 5 + 1 = 6 1 + 5 = 6 4 + 2 = 6 2 + 4 = 6 3 + 3 = 6 . Thø ba ngµy 6 th¸ng 11 n¨m 2007 To¸n 5 + 1 = 6 1 + 5 = 6 4 + 2 = 6 2 + 4 = 6 3 + 3 = 6 PhÐp céng trong ph¹m vi 6 6 + 0 = 6 0 + 6 = 6 ? ? ? ? ? Bµi. ? ? ? Bµi 1 : TÝnh 5 + 1 2 + 4 3 + 3 1 + 5 4 + 2 0 + 6 6 66 6 6 6§ § § § § § Bµi 2 : TÝnh 6 6 6 6 6 5 5 4 § § § § § § § § 4 + 2 = 2 + 4 = 5 + 1 = 1 + 5