3.7 + 4.2
7.9
5.8 - 3.1
2.7
5.3 + 2.9
8.2
6.3 - 5.9
0.4
14.19 + 5.14
19.33
11.47 - 5.68
5.79
27.58 + 36.95
64.53
27 - 6.89
20.11
17.199 + 19.637
36.836
18.222 - 12.635
5.587