Question

[ ( 83 - 17 ) / 6 - 7 ] . ( 49 - 28 ) =

Answer 1

[ ( 83 - 17 ) / 6 - 7 ] . ( 49 - 28 ) 
[ ( 66) / 6 - 7 ] . 21
[ 11 - 7 ] . 21
4 . 21
84

Resposta: 84

Answer 2

[66/6-7].21
[11-7].21
4.21
84