Question

Realiza las siguientes operaciones
A. 8-(5) (-3)+(-4) (7)
B. (-6) (4) -(5) (8)
C. (-7)+(-8) (-4)-(9) (-2)

Answer 1

Respuesta:

8 - ( 5 ) ( - 3 ) + ( - 4 ) ( 7 )

8 - ( - 15 ) - 4 ( 7 )

8 - ( - 15 ) - 28

8 + 15 - 28

23 - 28

- 5

( - 6 ) ( 4 ) - ( 5 ) ( 8 )

- 24 - ( 5 ) ( 8 )

- 24 - 40

- 64

( - 7 ) + ( - 8 ) ( - 4 ) - ( 9 ) ( - 2 )

- 7 + 32 - ( 9 ) ( - 2 )

- 7 + 32 - ( - 18 )

- 7 + 32 + 18

25 + 18

43