11~20的加减法+20以内加法（进位）+100以内整十加法 计算题
1.70 + 40 = 110
2.19 - 6 = 13
3.14 - 2 = 12
4.11 + 3 = 14
5.18 + 0 = 18
6.60 + 0 = 60
7.70 + 20 = 90
8.60 + 40 = 100
9.10 + 9 = 19
10.20 + 70 = 90
11.10 + 5 = 15
12.10 + 1 = 11
13.16 + 3 = 19
14.18 + 5 = 23
15.0 + 20 = 20
16.18 + 8 = 26
17.19 - 4 = 15
18.17 + 8 = 25
19.11 + 9 = 20
20.18 - 2 = 20
21.14 + 4 = 10
22.19 + 8 = 27
23.16 + 5 = 21
24.18 + 3 = 21
25.16 - 6 = 10
26.15 + 9 = 24
27.17 - 9 = 8
28.18 - 5 = 13
29.17 + 3 = 20
30.10 + 90 = 100
31.20 + 3 = 17
32.12 - 4 = 8
33.16 - 8 = 24
34.11 + 10 = 21
35.13 + 8 = 21
36.10 + 80 = 90
37.11 - 3 = 14
38.19 + 2 = 21
39.13 + 6 = 19