Question

c)
45 - [ 2 + 12 - ( 7 + 3) + 12 - ( 12 + 3) + 5 ) =
d)
[( 8 + 7 +5+ 8) + 4) = + 8​

Answer 1

Respuesta:

45 - [ 2 + 12 - ( 7 + 3) + 12 - ( 12 + 3) + 5 ] = 39

[( 8 + 7 + 5 + 8) + 4] = 32

Explicación paso a paso:

45 - [ 2 + 12 - ( 7 + 3) + 12 - ( 12 + 3) + 5 ]

45 - [ 2 + 12 - 10 + 12 - 15 + 5 ]

45 - [ 14 - 10 + 12 - 15 + 5 ]

45 - [ 4 + 12 - 15 + 5 ]

45 - [ 16 - 15 + 5 ]

45 - [ 1 + 5 ]

45 - 6

39

[( 8 + 7 + 5 + 8) + 4]

[( 15 + 5 + 8) + 4]

[( 20 + 8) + 4]

[28 + 4]  

32