一年级口算题:20以内的加法

2022-12-16

1)18 + 1 =

(2)18 + 1 =

(3)16 + 2 =

(4)3 + 12 =

(5)11 + 2 =

(6)7 + 10 =

(7)10 + 4 =

(8)17 + 1 =

(9)9 + 8 =

(10)8 + 12 =

(11)4 + 5 =

(12)5 + 12 =

(13)13 + 7 =

(14)7 + 8 =

(15)2 + 9 =