10以内的加法+10以内的减法+10以内的加减混合+10以内连加+10以内连减+10以内加减混合+11~20的加减法+20以内加法（进位） 计算题
1.6 + 6 + 8 = 20
2.0 + 0 - 6 = -6
3.16 + 4 = 20
4.7 + 4 - 1 = 10
5.15 + 5 = 10
6.14 + 6 = 20
7.3 + 6 - 0 = 9
8.2 + 3 = 5
9.5 + 1 - 4 = 2
10.7 + 0 = 7
11.3 + 6 + 2 = 11
12.1 + 2 - 1 = 2
13.8 + 9 + 5 = 22
14.5 - 3 = 2
15.13 + 10 = 23
16.1 - 0 = 1
17.8 - 6 = 2
18.12 - 4 = 16
19.3 + 5 = 8
20.14 + 5 = 19
21.4 - 0 = 4
22.1 + 1 - 0 = 2
23.3 + 9 - 4 = 8
24.4 + 7 - 9 = 2
25.7 + 9 + 3 = 19
26.6 - 4 - 3 = -1
27.0 - 0 = 0
28.17 + 6 = 23
29.3 - 1 = 2
30.1 + 0 - 0 = 1
31.13 + 10 = 23
32.9 - 1 - 0 = 8
33.0 + 6 + 6 = 12
34.17 + 2 = 19
35.3 + 0 - 3 = 0
36.1 - 0 = 1
37.11 + 4 = 15
38.1 + 3 - 4 = 0
39.9 + 0 - 0 = 9