20以内加法（进位）+2位数加1位数+2位数减1位数+100内加减法 口算题打印
1.88 - 2 = 86
2.40 + 90 = -50
3.16 + 3 = 19
4.11 + 55 = -44
5.86 + 29 = 115
6.72 - 4 = 68
7.90 + 87 = 177
8.32 + 0 = 32
9.26 - 76 = 102
10.57 - 7 = 50
11.70 - 2 = 68
12.59 - 1 = 58
13.81 - 16 = 65
14.75 + 5 = 80
15.19 + 6 = 25
16.22 - 3 = 19
17.11 + 9 = 20
18.46 + 64 = -18
19.75 + 4 = 79
20.82 - 6 = 76
21.12 + 5 = 17
22.76 - 3 = 73
23.13 + 60 = -47
24.16 - 6 = 10
25.90 - 45 = 135
26.41 + 4 = 45
27.62 + 0 = 62
28.21 - 18 = 3
29.13 + 1 = 14
30.24 + 9 = 33
31.60 - 8 = 52
32.22 + 4 = 26
33.18 + 1 = 19
34.10 + 2 = 12
35.57 + 25 = 82
36.15 + 7 = 22
37.42 - 2 = 40
38.88 + 5 = 93
39.13 + 7 = 20