20以内加法（进位） 口算题打印
1.15 + 4 = 19
2.18 + 6 = 24
3.11 + 2 = 13
4.13 + 8 = 21
5.10 + 3 = 13
6.10 + 10 = 20
7.18 + 8 = 26
8.19 + 8 = 27
9.18 + 6 = 24
10.13 + 7 = 20
11.11 + 4 = 15
12.16 + 7 = 23
13.11 + 5 = 16
14.10 + 4 = 14
15.18 + 5 = 23
16.13 + 3 = 16
17.18 + 4 = 22
18.14 + 9 = 23
19.14 + 4 = 18
20.18 + 10 = 28
21.19 + 5 = 24
22.12 + 4 = 16
23.19 + 7 = 26
24.18 + 9 = 27
25.10 + 5 = 15
26.13 + 1 = 14
27.11 + 7 = 18
28.17 + 2 = 19
29.10 + 9 = 19
30.17 + 9 = 26
31.16 + 9 = 25
32.17 + 9 = 26
33.12 + 1 = 13
34.18 + 6 = 24
35.17 + 3 = 20
36.11 + 7 = 18
37.14 + 9 = 23
38.17 + 2 = 19
39.10 + 5 = 15