Question

Urgente!!!!!!

1) [ 15 + 16 - (32 - 24) + 19 ] - [ 57 - ( 8 + 4 + 12 ) ] =

2) { 15 + [ 16 - ( 25 - 19 ) - 18 } - [45 - ( 57 -14 ) ]

3) 21 + 39 - [ 14 + ( 16 - 12) ] - { 21 + [ 15 - ( 12 - 8 ) ] } + 30=

4) { 63 - [ 24 + ( 18 - 13 ) - 4 ] + 3 } + [ 47 - ( 54 - 11 ) ] =

Answer 1

1) 9
2) 5
3) 40
4) 35
 espero te sirva.. y si mis calculos no me fallan es eso ;) suerte!