20以内加法（进位） 计算题
1.14 + 1 = 15
2.19 + 6 = 25
3.12 + 9 = 21
4.18 + 8 = 26
5.12 + 3 = 15
6.11 + 6 = 17
7.11 + 7 = 18
8.17 + 2 = 19
9.11 + 6 = 17
10.19 + 2 = 21
11.15 + 3 = 18
12.12 + 1 = 13
13.11 + 6 = 17
14.16 + 8 = 24
15.10 + 2 = 12
16.18 + 8 = 26
17.18 + 6 = 24
18.16 + 9 = 25
19.10 + 5 = 15
20.10 + 2 = 12
21.17 + 5 = 22
22.15 + 7 = 22
23.15 + 9 = 24
24.10 + 9 = 19
25.17 + 4 = 21
26.14 + 5 = 19
27.17 + 3 = 20
28.17 + 3 = 20
29.17 + 4 = 21
30.11 + 6 = 17
31.14 + 7 = 21
32.11 + 1 = 12
33.18 + 10 = 28
34.12 + 1 = 13
35.14 + 3 = 17
36.13 + 2 = 15
37.14 + 2 = 16
38.16 + 2 = 18
39.12 + 7 = 19
40.18 + 9 = 27
41.18 + 3 = 21
42.17 + 4 = 21
43.12 + 4 = 16
44.15 + 9 = 24
45.15 + 1 = 16
46.12 + 10 = 22
47.11 + 1 = 12
48.12 + 5 = 17
49.16 + 10 = 26
50.11 + 4 = 15