亲爱小朋友们，今天为你准备了小学二年级数学口算题，相信大家一定能够努力做、开动脑筋，做出满意的答卷。加油啊!!!
(1)900 + 200 =
(2)500 + 500 =
(3)400 + 700 =
(4)100 + 700 =
(5)800 + 600 =
(6)200 + 600 =
(7)800 + 700 =
(8)400 + 600 =
(9)600 + 700 =
(10)700 + 500 =
(11)600 + 100 =
(12)500 + 500 =
(13)500 + 100 =
(14)700 + 200 =
(15)100 + 700 =