A
B
C
1

9.1+0.9

10

1

6.6+3.3

9.9

1

3.1+3.1

6.2

2

5.5+5.4

10.9

2

2.1+3.8

5.9

2

22.3+31.6

53.9

3

7.6+9.1

16.7

3

29.11+11.11

40.22

3

1.6+1.3

2.9

4

10.09+10.10

20.19

4

1.5+1.5

3

4

0.16+0.22

0.38