小数减法 计算题
1.7.0 - 5.7 = 12.70
2.5.0 - 7.1 = 12.10
3.5.0 + 5.7 = 10.70
4.1.1 + 4.3 = 5.40
5.7.2 - 7.2 = 0.00
6.8.1 + 0.2 = 7.90
7.8.2 - 5.1 = 3.10
8.1.5 - 2.1 = 3.60
9.9.2 - 0.3 = 8.90
10.7.3 + 4.9 = 2.40
11.0.1 - 7.8 = -7.70
12.9.7 - 3.9 = 5.80
13.9.6 + 3.0 = 6.60
14.8.7 - 3.2 = 5.50
15.8.2 + 9.2 = -1.00
16.3.6 + 6.6 = -3.00
17.6.4 + 6.3 = 12.70
18.3.8 - 7.2 = -3.40
19.1.4 + 7.8 = 9.20
20.5.2 + 4.0 = 1.20
21.7.0 + 6.4 = 13.40
22.4.4 - 5.3 = -0.90
23.6.1 - 9.7 = -3.60
24.3.2 + 3.5 = 6.70
25.3.5 - 3.2 = 0.30
26.3.0 + 9.4 = 12.40
27.1.9 - 9.8 = -7.90
28.8.5 - 4.0 = 4.50
29.5.0 + 8.2 = -3.20
30.1.9 + 9.0 = -7.10
31.2.8 - 3.6 = -0.80
32.2.6 + 2.8 = -0.20
33.7.7 + 1.0 = 8.70
34.4.1 + 9.6 = -5.50
35.5.2 - 2.7 = 2.50
36.3.4 - 1.6 = 5.00
37.9.3 - 1.4 = 7.90
38.5.1 + 1.1 = 4.00
39.1.3 + 2.3 = 3.60
40.1.3 + 8.6 = -7.30
41.0.0 - 3.6 = 3.60
42.1.3 + 3.3 = 4.60
43.9.7 - 2.7 = 7.00
44.4.5 - 1.2 = 3.30
45.4.1 - 6.3 = -2.20
46.0.9 - 5.8 = -4.90
47.1.4 - 4.9 = 6.30
48.4.7 - 5.5 = 10.20
49.5.5 - 9.1 = 14.60
50.5.5 + 7.3 = -1.80