Respuesta :

Answer:

3.5

Step-by-step explanation:

(-8)(-1) -2[2-5(-1)]

8 -2 [ 2-5(-1)]

8 -4+10+2

-32+80+16

+32 +32

80=48

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2 2

40= 24

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2 2

20= 13

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2 2

10= 6.5

10- 6.5

3.5