一年级上册口算题-一年级10以内的加减法
奥数网
2017-02-20 17:49:43
(1)8 - 6 =
(2)2 - 2 =
(3)4 + 4 =
(4)1 - 1 =
(5)7 - 7 =
(6)1 - 1 =
(7)6 + 4 =
(8)5 + 4 =
(9)7 - 3 =
