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