100以内整十加法+100以内整十减法 计算题
1.70 - 20 = 50
2.40 + 90 = 130
3.90 + 50 = 140
4.70 + 10 = 80
5.80 + 0 = 80
6.40 + 90 = 130
7.70 - 50 = 20
8.60 - 40 = 20
9.30 - 20 = 10
10.50 - 20 = 30
11.30 + 10 = 40
12.90 - 80 = 10
13.30 + 40 = 70
14.90 - 40 = 50
15.90 + 10 = 100
16.50 + 60 = 110
17.70 + 40 = 110
18.90 + 90 = 180
19.0 - 0 = 0
20.30 + 0 = 30
21.20 - 0 = 20
22.0 + 50 = 50
23.50 - 30 = 20
24.30 - 10 = 20
25.40 - 30 = 10
26.50 - 40 = 10
27.0 - 0 = 0
28.90 - 20 = 70
29.60 + 20 = 80
30.70 - 30 = 40
31.20 - 0 = 20
32.0 + 90 = 90
33.80 - 30 = 50
34.60 - 10 = 50
35.0 - 0 = 0
36.10 - 0 = 10
37.20 + 20 = 40
38.20 + 0 = 20
39.90 - 50 = 40
40.60 + 60 = 120
41.30 + 90 = 120
42.70 + 0 = 70
43.0 - 0 = 0
44.20 - 0 = 20
45.50 - 10 = 40
46.80 + 60 = 140
47.80 + 80 = 160
48.10 - 0 = 10
49.60 + 80 = 140
50.30 + 70 = 100