Question

Suprimir los paréntesis y luego resolver

Answer 1

Respuesta:

Explicación paso a paso:

a)

12 - ( -4 +25 -6 ) + ( -6 +7 -15 ) +2

12- ( +25 -10 ) + ( -21 + 7 ) +2

12- ( +10 ) + ( -14 ) +2

12 - 10 -14 +2

14 -24

-10

b)

-2 + (-8 +6 -5 ) - ( 6 +15 ) - ( -3 -5 )

-2 + ( +6 -13 ) - ( +21 ) - (-8)

-2 + ( -7 ) -21 +8

-2 -7 -21 +8

-9 -21 +8

-30 +8

-22

c)

- ( -12 -8 +9 - ( 6  +12 -7 ) -9 +14 -3 )

- ( -20 +9 - ( 18 -7 ) -12 +14 )

- ( -11 - ( 11 ) +2 )

- ( -11 -11 +2 )

- ( -22 + 2)

- ( 20 )

-20

d)

-7 + ( -5 - (-7 + 11 -9 ) -4 +3 ) -2 +4

-7  + ( -5 - ( -16 +11 ) -1 ) +2

-7 + (-5 - ( - 5 ) -1 ) +2

-7 + ( -5 +5 -1 ) +2

-7 + ( -1 ) +2

-7 -1 +2

-8 +2

-6

Answer 2

Respuesta:

A) -10

B) -22

C) -20

D) -6

Explicación paso a paso:

A) 12 - ( -4 +25 -6 ) + ( -6 +7 -15 ) +2=

12- ( +25 -10 ) + ( -21 + 7 ) +2=

12- ( +10 ) + ( -14 ) +2=

12 - 10 -14 +2=

14 -24=

-10 //

B) -2 + (-8 +6 -5 ) - ( 6 +15 ) - ( -3 -5 )=

-2 + ( +6 -13 ) - ( +21 ) - (-8)=

-2 + ( -7 ) -21 +8=

-2 -7 -21 +8=

-9 -21 +8=

-30 +8=

-22 //

C) - ( -12 -8 +9 - ( 6  +12 -7 ) -9 +14 -3 )=

- ( -20 +9 - ( 18 -7 ) -12 +14 )=

- ( -11 - ( 11 ) +2 )=

- ( -11 -11 +2 )=

- ( -22 + 2)=

- ( 20 )=

-20 //

D) -7 + ( -5 - (-7 + 11 -9 ) -4 +3 ) -2 +4=

-7  + ( -5 - ( -16 +11 ) -1 ) +2=

-7 + (-5 - ( - 5 ) -1 ) +2=

-7 + ( -5 +5 -1 ) +2=

-7 + ( -1 ) +2=

-7 -1 +2=

-8 +2=

-6 //

ESPERO AVERTE AYUDADO!!   :) :)