二年级口算题:整千数的加法
(1)1000 + 8000 =
(2)2000 + 7000 =
(3)5000 + 2000 =
(4)7000 + 2000 =
(5)3000 + 3000 =
(6)8000 + 1000 =
(7)1000 + 2000 =
(8)3000 + 2000 =
(9)8000 + 1000 =
(10)8000 + 1000 =
(11)8000 + 1000 =
(12)3000 + 5000 =
(13)7000 + 2000 =
(14)8000 + 1000 =
(15)4000 + 2000 =