一年级上册口算题-一年级5以内的减法
苏州奥数网
2017-02-20 17:40:09
(1)2 - 1 =
(2)3 - 2 =
(3)4 - 1 =
(4)4 - 2 =
(5)2 - 2 =
(6)3 - 3 =
(7)2 - 2 =
(8)2 - 1 =
(9)2 - 2 =
