1.8+2.2=
4.0
8.9-3.3=
5.6
13.0+ 8.9
21.9
22.8-20.6=
2.2
23.6+11.2=
34.8
45.9-7.7=
36.2
75.3+42.2=
117.5
85.2-33.2=
52.0
325.7+ 135.2=
460.9
475.2-260.1=
215.1
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