20以内加法（进位） 计算题
1.18 + 8 = 26
2.14 + 4 = 18
3.11 + 2 = 13
4.16 + 5 = 21
5.15 + 7 = 22
6.18 + 2 = 20
7.14 + 5 = 19
8.11 + 10 = 21
9.19 + 6 = 25
10.19 + 6 = 25
11.19 + 4 = 23
12.12 + 4 = 16
13.10 + 9 = 19
14.13 + 3 = 16
15.16 + 9 = 25
16.14 + 7 = 21
17.14 + 1 = 15
18.14 + 3 = 17
19.13 + 8 = 21
20.16 + 7 = 23
21.13 + 5 = 18
22.19 + 10 = 29
23.14 + 6 = 20
24.18 + 6 = 24
25.18 + 1 = 19
26.16 + 6 = 22
27.14 + 1 = 15
28.12 + 10 = 22
29.17 + 6 = 23
30.12 + 8 = 20
31.18 + 1 = 19
32.17 + 3 = 20
33.13 + 7 = 20
34.12 + 3 = 15
35.12 + 10 = 22
36.14 + 1 = 15
37.19 + 3 = 22
38.10 + 3 = 13
39.17 + 5 = 22