(1)2 + 8 = (2)4 + 6 = (3)9 + 5 = (4)8 + 7 = (5)8 + 9 = (6)3 + 8 = (7)7 + 4 = (8)5 + 7 = (9)7 + 3 = (10)3 + 8 = (11)3 + 9 = (12)5 + 6 = (13)1 + 9 = (14)2 + 9 = (15)1 + 9 =