一年级上册口算题-一年级5以内的加减法
苏州奥数网
2017-02-20 17:40:34
(1)2 + 2 =
(2)1 - 1 =
(3)3 + 2 =
(4)1 + 3 =
(5)2 + 2 =
(6)3 + 1 =
(7)1 - 1 =
(8)1 - 1 =
(9)3 + 2 =
