Respuesta :

rijarafiquee

Answer:

13

Step-by-step explanation:

15 + 10 – 8 – 2 + 3 – 4 – 1

15 + 10 - 8 - 2 + 3 - 5

15 + 10 - 8 - 2 - 2

15 + 10 - 8 - 4

15 + 10 - 12

15 - 2

= 13