(1)22 - 10 = (2)48 - 10 = (3)50 - 10 = (4)23 - 20 = (5)86 - 40 = (6)53 - 30 = (7)45 - 20 = (8)89 - 30 = (9)33 - 10 = (10)13 - 10 = (11)12 - 10 = (12)89 - 70 = (13)79 - 60 = (14)67 - 40 = (15)36 - 30 =
