GRUPO A
2.3 + 4.6=
6.9
7.30 + 4.40=
11.70
5.400 + 6.200=
11.6
27.4 + 3.4=
30.8
17.1 + 17.9=
35
12,3 + 5,7=
18
18.275 + 18.7=
36.975
12 – 5.3=
6.7
17 – 6.2=
10.8
20 – 0,8=
19.2
12.450 + 12.550=
25
75.980 + 5.020=
81
60 – 49,70=
10.3
18.275 + 18.7=
36.975
83 – 3,96=
79.04