Addition 1
8.1+2.6
10.7
10.9-8.2
2.7
26.1+99.0
125.1
90.6-50.9
29.7
20.2+18.9
39.1
12.4+7.2
19.6
15.8-7.2
8.6
56.6+79.2
135.8
89.9-12.0
77.9
28.1+16.2
54.3
19.2+9.9
29.1
20.7-10.7
10.0
65.9+54.6
120.5
69.3-42.0
27.3
31.9+20.1
52.0
57.8+15.4
73.2
36.8-17.2
19.6
92.5+66.5
159
62.3-17.3
45.0
67.2+24.3
91.5
120.2+34.1
154.3
57.9-36.1
21.8
93.9+33.6
126.5
79.9-37.7
42.2
147.9+79.9
229.8