20以内加法（进位） 口算题打印
1.19 + 10 = 29
2.15 + 2 = 17
3.19 + 2 = 21
4.12 + 7 = 19
5.14 + 5 = 19
6.10 + 10 = 20
7.13 + 10 = 23
8.19 + 9 = 28
9.17 + 3 = 20
10.18 + 7 = 25
11.19 + 2 = 21
12.12 + 8 = 20
13.19 + 10 = 29
14.12 + 2 = 14
15.19 + 7 = 26
16.18 + 1 = 19
17.14 + 3 = 17
18.19 + 4 = 23
19.19 + 7 = 26
20.10 + 1 = 11
21.14 + 8 = 22
22.19 + 9 = 28
23.16 + 9 = 25
24.11 + 1 = 12
25.14 + 4 = 18
26.12 + 9 = 21
27.16 + 1 = 17
28.12 + 4 = 16
29.12 + 7 = 19
30.13 + 9 = 22
31.16 + 9 = 25
32.11 + 7 = 18
33.14 + 3 = 17
34.17 + 2 = 19
35.18 + 9 = 27
36.14 + 9 = 23
37.10 + 3 = 13
38.16 + 6 = 22
39.15 + 7 = 22