20以内加法（进位） 计算题
1.13 + 6 = 19
2.10 + 2 = 12
3.15 + 10 = 25
4.12 + 6 = 18
5.11 + 1 = 12
6.17 + 5 = 22
7.15 + 4 = 19
8.12 + 8 = 20
9.10 + 10 = 20
10.14 + 2 = 16
11.15 + 4 = 19
12.17 + 2 = 19
13.12 + 4 = 16
14.12 + 2 = 14
15.12 + 8 = 20
16.18 + 7 = 25
17.11 + 2 = 13
18.16 + 8 = 24
19.18 + 4 = 22
20.12 + 3 = 15
21.11 + 7 = 18
22.11 + 5 = 16
23.12 + 5 = 17
24.11 + 5 = 16
25.13 + 6 = 19
26.11 + 3 = 14
27.17 + 8 = 25
28.18 + 10 = 28
29.11 + 7 = 18
30.16 + 8 = 24
31.16 + 1 = 17
32.16 + 7 = 23
33.10 + 9 = 19
34.13 + 1 = 14
35.18 + 2 = 20
36.11 + 5 = 16
37.17 + 1 = 18
38.13 + 8 = 21
39.14 + 4 = 18
40.18 + 7 = 25
41.18 + 1 = 19
42.13 + 2 = 15
43.18 + 2 = 20
44.10 + 5 = 15
45.13 + 6 = 19
46.11 + 1 = 12
47.12 + 10 = 22
48.18 + 7 = 25
49.14 + 5 = 19
50.15 + 3 = 18