SUMA Y RESTA

Front

3+2

Back

5

Front

3+3

Back

6

Front

6+3

Back

9

Front

5+3

Back

8

Front

6+4

Back

10

Front

6-4

Back

2

Front

8-5

Back

3

Front

7-2

Back

5

Front

7-5

Back

2

Front

9-6

Back

3