一年级上册口算题-一年级10以内的填空
奥数网
2017-02-20 17:51:39
(1)8 +() = 9
(2) ()+ 3 = 8
(3)()+ 3 = 8
(4)() - 3 = 0
(5)4 +() = 7
(6)() - 1 = 0
(7)2 + ()= 10
(8)2 +() = 3
(9)2 + ()= 4
