11~20的加减法 口算题打印
1.15 - 7 = 8
2.11 + 1 = 12
3.17 - 8 = 25
4.12 - 8 = 20
5.11 - 1 = 10
6.17 + 9 = 26
7.17 - 1 = 16
8.12 - 5 = 17
9.16 - 3 = 13
10.16 - 1 = 17
11.16 - 9 = 7
12.14 + 6 = 8
13.12 + 9 = 3
14.13 + 0 = 13
15.20 - 3 = 17
16.16 + 3 = 19
17.11 - 5 = 16
18.20 - 0 = 20
19.13 - 6 = 19
20.15 - 2 = 13
21.17 + 7 = 24
22.19 + 7 = 12
23.14 + 4 = 10
24.11 + 4 = 7
25.15 + 5 = 10
26.18 + 7 = 25
27.15 + 7 = 22
28.12 - 4 = 8
29.18 + 7 = 11
30.17 - 0 = 17
31.11 - 2 = 13
32.11 - 2 = 9
33.20 - 2 = 22
34.15 - 7 = 8
35.20 + 4 = 16
36.12 + 2 = 10
37.12 - 4 = 8
38.15 + 0 = 15
39.11 - 0 = 11