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
1.17 - 7 - 2 = 8
2.6 + 9 - 2 = 13
3.2 + 6 - 5 = 3
4.19 + 4 = 23
5.2 + 2 - 4 = 0
6.0 + 7 - 0 = 7
7.1 + 4 = 5
8.17 - 9 = 8
9.8 + 3 - 5 = 6
10.1 + 2 = 3
11.1 + 9 - 2 = 8
12.13 + 4 = 17
13.2 + 0 - 9 = -7
14.11 + 2 = 13
15.14 + 0 = 14
16.5 + 0 - 0 = 5
17.4 - 0 - 0 = 4
18.13 - 3 - 2 = 8
19.2 - 1 - 0 = 1
20.7 + 1 = 8
21.1 + 9 + 9 = 19
22.1 - 0 = 1
23.9 + 0 - 5 = 4
24.0 - 0 = 0
25.16 + 5 = 21
26.6 + 1 + 6 = 13
27.0 + 0 + 4 = 4
28.13 + 7 = 20
29.18 + 5 = 23
30.3 + 5 - 1 = 7
31.6 + 1 - 7 = 0
32.9 + 0 = 9
33.5 + 8 - 5 = 8
34.8 + 0 - 1 = 7
35.6 - 5 = 1
36.13 + 1 = 14
37.6 + 1 - 0 = 7
38.1 + 1 - 4 = -2
39.8 - 6 = 2