Suprimir los paréntesis y luego resolver
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Respuestas a la pregunta
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
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!! :) :)