(1)4 - 3 = (2)2 - 2 = (3)10 + 2 = (4)11 + 1 = (5)1 - 1 = (6)17 - 2 = (7)14 - 5 = (8)5 - 4 = (9)5 - 3 = (10)3 + 17 = (11)17 + 1 = (12)13 - 4 = (13)15 - 12 = (14)2 - 1 = (15)15 - 5 =