1. Resuelvo las operaciones combinadas con signos de agrupación
A) -6 + {- 2 + 3 [ 2 ( 5 + 2 – 6 – 4) – ( 7 – 4 – 6 ) + ( -7 + 2 + 3) ] - 4 } +5 =
B) - { 3 – 4 . ( 2 + 5 – 9 ) – ( 4 + 8 – 10 – 6 + 7 ) – 5 } + 3 =
C) (5 + 4 – 8 ) ( 9 + 5 – 8) + 200 =
D) -2 . {-3 ( 5+ 4 – 3 – 6 ) – ( 2 + 4 + 8 – 9)} + 7 =
Respuestas a la pregunta
Respuesta:
A) -6 + {- 2 + 3 [ 2 ( 5 + 2 – 6 – 4) – ( 7 – 4 – 6 ) + ( -7 + 2 + 3) ] - 4 } +5 = - 22
B) - { 3 – 4 . ( 2 + 5 – 9 ) – ( 4 + 8 – 10 – 6 + 7 ) – 5 } + 3 = 0
C) (5 + 4 – 8 ) ( 9 + 5 – 8) + 200 = 206
D) -2 . {-3 ( 5+ 4 – 3 – 6 ) – ( 2 + 4 + 8 – 9)} + 7 = 17
Explicación paso a paso:
A) - 6 + {- 2 + 3 x [ 2 x ( 5 + 2 – 6 – 4) – ( 7 – 4 – 6 ) + ( -7 + 2 + 3) ] - 4 } + 5
- 6 + { - 2 + 3 x [ 2 x ( -3 ) - ( 7 - 4 - 6 ) + ( -7 + 2 + 3) ] - 4 } + 5
- 6 + { - 2 + 3 x [ 2 x ( -3 ) - ( -3 ) + ( -7 + 2 + 3) ] - 4 } + 5
- 6 + { - 2 + 3 x [ 2 x ( -3 ) - ( -3 ) + ( -2 ) ] - 4 } + 5
- 6 + { - 2 + 3 x [ - 6 - ( -3 ) + ( -2 ) ] - 4 } + 5
- 6 + { - 2 + 3 x [ - 6 + 3 + ( -2 ) ] - 4 } + 5
- 6 + { - 2 + 3 x [ - 6 + 3 - 2 ] - 4 } + 5
- 6 + { - 2 + 3 x [ - 3 - 2 ] - 4 } + 5
- 6 + { - 2 + 3 x [ -5 ] - 4 } + 5
- 6 + { - 2 - 15 - 4 } + 5
- 6 + { - 17 - 4 } + 5
- 6 + { - 21 } + 5
- 6 - 21 + 5
- 27 + 5 = - 22
B) - { 3 – 4 x ( 2 + 5 – 9 ) – ( 4 + 8 – 10 – 6 + 7 ) – 5 } + 3
- { 3 - 4 x ( 7 - 9 ) - ( 12 - 10 - 6 + 7) -5 } + 3
- { 3 - 4 x ( -2 ) - ( 2 - 6 + 7 ) - 5 } + 3
- { 3 - 4 x ( -2 ) - ( - 4 + 7 ) - 5 } + 3
- { 3 - 4 x ( -2 ) - 3 - 5 } + 3
- { - 4 x ( -2 ) - 5 } + 3
- ( 8 - 5 ) + 3
- 3 + 3 = 0
C) (5 + 4 – 8 ) ( 9 + 5 – 8 ) + 200
( 9 - 8 ) ( 14 - 8 ) + 200
1 x 6 + 200
6 + 200 = 206
D) - 2 x { - 3 x ( 5+ 4 – 3 – 6 ) – ( 2 + 4 + 8 – 9 ) } + 7
- 2 x { - 3 x ( 9 - 3 - 6 ) - ( 2 + 4 + 8 – 9 ) } + 7
- 2 x { - 3 x ( 6 - 6 ) - ( 2 + 4 + 8 – 9 ) } + 7
- 2 x { - 3 x 0 - ( 6 + 8 - 9 ) } + 7
- 2 x { - 3 x 0 - ( 14 - 9 ) } + 7
- 2 x { - 3 x 0 - 5 } + 7
- 2 x { 0 - 5 } + 7
- 2 x { - 5 } + 7
10 + 7 = 17