Addition w/o exchanges
3.4+5.2
8.6
3.8+7.9
11.7
3.56-1.43
2.13
8.9-5.3
3.6
5.4-2.9
2.5
10.3+6.4
16.7
12.8+29.4
42.2
12.8-8.92
3.88
12.5-8.3
4.2
23.4-18.7
4.7
24.8+11.1
35.9
34.5+87.8
122.3
54.98-12.3
42.68
25.7-12.4
13.3
34.7-28.9
5.8
50.7+3.2
53.9
124.7+191.7
316.4
432.76-345.78
86.98
46.8-32.6
14.2
63.6-58.9
4.7
124.4+52.5
176.9
589.9+434.5
1024.4
562.89-425.76
127.13
535.9-221.5
314.4
56.5