一年级上册口算题-一年级20以内的不进位加法
奥数网
2017-02-20 17:54:30
(1)16 + 1 =
(2)15 + 2 =
(3)5 + 13 =
(4)19 + 1 =
(5)12 + 7 =
(6)7 + 10 =
(7)7 + 13 =
(8)4 + 13 =
(9)1 + 15 =
