(1)440 + 540 =
(2)460 - 270 =
(3)730 + 300 =
(4)240 - 110 =
(5)450 - 120 =
(6)640 - 430 =
(7)730 - 440 =
(8)740 + 250 =
(9)390 + 530 =
(2)460 - 270 =
(3)730 + 300 =
(4)240 - 110 =
(5)450 - 120 =
(6)640 - 430 =
(7)730 - 440 =
(8)740 + 250 =
(9)390 + 530 =