20以内加法（进位） 口算题打印
1.11 + 4 = 15
2.10 + 1 = 11
3.11 + 9 = 20
4.16 + 10 = 26
5.15 + 7 = 22
6.16 + 4 = 20
7.18 + 5 = 23
8.12 + 4 = 16
9.12 + 4 = 16
10.12 + 8 = 20
11.15 + 4 = 19
12.18 + 2 = 20
13.15 + 3 = 18
14.10 + 10 = 20
15.16 + 7 = 23
16.13 + 2 = 15
17.19 + 1 = 20
18.17 + 4 = 21
19.19 + 10 = 29
20.10 + 2 = 12
21.13 + 5 = 18
22.15 + 2 = 17
23.14 + 4 = 18
24.12 + 2 = 14
25.18 + 1 = 19
26.13 + 1 = 14
27.11 + 7 = 18
28.15 + 5 = 20
29.14 + 5 = 19
30.15 + 5 = 20
31.15 + 2 = 17
32.16 + 3 = 19
33.15 + 4 = 19
34.16 + 9 = 25
35.19 + 2 = 21
36.18 + 10 = 28
37.14 + 7 = 21
38.15 + 9 = 24
39.10 + 2 = 12