(1)207 - 143 =
(2)861 + 789 =
(3)637 - 212 =
(4)141 + 139 =
(5)889 - 665 =
(6)242 - 125 =
(7)372 - 279 =
(8)363 + 501 =
(9)396 - 221 =
(2)861 + 789 =
(3)637 - 212 =
(4)141 + 139 =
(5)889 - 665 =
(6)242 - 125 =
(7)372 - 279 =
(8)363 + 501 =
(9)396 - 221 =

