100以内整十加减法+2位数减1位数 计算题
1.40 + 30 - 50 = 20
2.37 - 7 = 30
3.34 - 3 = 31
4.20 + 30 - 80 = -30
5.84 - 0 = 84
6.0 + 20 - 0 = 20
7.70 + 90 - 90 = 70
8.50 + 90 - 30 = 110
9.15 - 0 = 15
10.35 - 7 = 28
11.70 + 60 - 60 = 70
12.10 + 70 - 90 = -10
13.35 - 3 = 32
14.20 - 3 = 17
15.30 + 70 - 90 = 10
16.70 + 40 - 90 = 20
17.90 + 70 - 10 = 150
18.10 + 90 - 40 = 60
19.10 + 50 - 10 = 50
20.0 + 70 - 10 = 60
21.59 - 5 = 54
22.20 + 40 - 60 = 0
23.21 - 6 = 15
24.54 - 3 = 51
25.50 + 20 - 40 = 30
26.26 - 9 = 17
27.88 - 8 = 80
28.0 + 0 - 10 = -10
29.60 + 30 - 10 = 80
30.0 + 0 - 0 = 0
31.80 + 80 - 80 = 80
32.81 - 3 = 78
33.39 - 5 = 34
34.10 + 20 - 40 = -10
35.22 - 9 = 13
36.80 + 0 - 90 = -10
37.19 - 6 = 13
38.40 + 70 - 60 = 50
39.64 - 0 = 64
40.70 + 60 - 10 = 120
41.90 + 20 - 30 = 80
42.78 - 9 = 69
43.0 + 50 - 90 = -40
44.62 - 3 = 59
45.18 - 9 = 9
46.50 + 90 - 0 = 140
47.40 + 80 - 30 = 90
48.10 + 80 - 90 = 0
49.86 - 4 = 82
50.71 - 9 = 62