Question

eliminacion de signos
- 2 – { -15+ [6 – 5+ ( -4+12)] -12} + 4
+ 12 – { 10 – [-8 + (15 – 6) ] + 4 } - 7
porfavooor

Answer 1

Respuesta:

20

-8

Explicación paso a paso:

- 2 – { -15+ [6 – 5+ ( - 4 + 12)] -12} + 4

- 2 – { -15+ [6 – 5 - 4 +12] -12} + 4

- 2 – { -15+ [+ 9] -12} + 4

- 2 – { -15+ 9 -12} + 4

- 2 – { -18 } + 4

- 2 + 18 +4

+ 20

+ 12 – { 10 – [-8 + (15 – 6) ] + 4 } - 7

+ 12 – { 10 – [-8 + (9) ] + 4 } - 7

+ 12 – { 10 – [-8 + 9 ] + 4 } - 7

+ 12 – { 10 – [+1 ] + 4 } - 7

+ 12 – { 10 – 1 + 4 } - 7

+ 12 – { +13 } - 7

+ 12 - 13 -7

- 8