11~20的加减法+20以内加法（进位）+100以内整十加法+100以内加减混合+表内乘法+表内除法 计算题
1.20 + 80 = 100
2.70 + 40 = 110
3.80 + 80 = 160
4.14 + 0 = 14
5.91 + 89 - 30 = 150
6.7 + 19 - 81 = -55
7.71 + 43 - 23 = 91
8.90 + 90 = 180
9.71 + 25 - 90 = 6
10.9 × 4 = 36
11.4 + 77 - 64 = 17
12.70 + 50 = 120
13.8 × 6 = 48
14.82 + 21 - 73 = 30
15.9 ÷ 9 = 1
16.96 + 95 - 10 = 181
17.20 + 0 = 20
18.80 + 10 = 90
19.37 + 72 - 52 = 57
20.4 × 9 = 36
21.37 + 31 - 24 = 44
22.17 + 7 = 24
23.8 ÷ 8 = 1
24.19 - 7 = 12
25.7 × 8 = 56
26.13 + 10 = 23
27.40 + 10 = 50
28.52 + 80 - 51 = 81
29.12 + 7 = 19
30.20 + 6 = 14
31.50 + 50 = 100
32.90 + 80 = 170
33.15 + 9 = 24
34.25 ÷ 5 = 5
35.11 + 0 = 11
36.2 + 75 - 29 = 48
37.66 + 13 - 62 = 17
38.16 + 44 - 87 = -27
39.7 ÷ 1 = 7