小学数学二年级口算:整千数的减法
二年级口算题:整千数的减法
(1)3000 - 1000 =
(2)8000 - 6000 =
(3)6000 - 3000 =
(4)7000 - 4000 =
(5)7000 - 1000 =
(6)6000 - 5000 =
(7)4000 - 2000 =
(8)5000 - 1000 =
(9)9000 - 1000 =
(10)7000 - 4000 =
(11)6000 - 2000 =
(12)9000 - 2000 =
(13)5000 - 1000 =
(14)3000 - 2000 =
(15)2000 - 1000 =