一年级上册口算题-一年级10以内的减法
苏州奥数网
2017-02-20 17:41:09
(1)1 - 1 =
(2)5 - 1 =
(3)2 - 2 =
(4)7 - 6 =
(5)1 - 1 =
(6)6 - 3 =
(7)1 - 1 =
(8)3 - 3 =
(9)2 - 2 =
