Question

{[(18-3)+(7+5)-2]+5}-12..Ajudem Me?

Answer 1

{[(18-3)+(7+5)-2]+5}-12=
{[15+12-2]+5}-12=
{25+5}-12=
30-12 = 18

Answer 2

vamos lá!


{[(18-3)+(7+5)-2]+5}-12=>


=>{[(15)+(12)-2}-12

=>[27-2]+12

=>25+12

=>37

espero ter ajudado!

boa noite!