(1)80 + 72 =
(2)30 + 23 =
(3)60 + 22 =
(4)20 + 19 =
(5)40 + 17 =
(6)30 + 21 =
(7)20 + 17 =
(8)80 + 69 =
(9)70 + 60 =
(2)30 + 23 =
(3)60 + 22 =
(4)20 + 19 =
(5)40 + 17 =
(6)30 + 21 =
(7)20 + 17 =
(8)80 + 69 =
(9)70 + 60 =