Respuesta :

lvanM

Answer:

20

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

2 + 2 + 1 - 1 + 3 - 2 + 1 + 2 + 3 + 4 + 5

4 + 1 - 1 + 3 - 2 + 1 + 2 + 3 + 4 + 5

5 - 1 + 3 - 2 + 1 + 2 + 3 + 4 + 5

4 + 3 - 2 + 1 + 2 + 3 + 4 + 5

7 - 2 + 1 + 2 + 3 + 4 + 5

5 + 1 + 2 + 3 + 4 + 5

6 + 2 + 3 + 4 + 5

8 + 3 + 4 + 5

11 + 4 + 5

15 + 5

20

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