一年级下册口算题-一年级两位数加整十数的加法
2018-03-01 15:11:48
(1)63 + 20 =
(2)49 + 40 =
(3)52 + 30 =
(4)58 + 40 =
(5)65 + 10 =
(6)25 + 20 =
(7)31 + 10 =
(8)78 + 20 =
(9)85 + 10 =