Question

36+42-[(172-36x4-1)+6]-9=

Answer 1

Resposta:

36+42-[(172-36x4-1)+6]-9=

=78−[(172−36×4−1)+6]−9

=78−[(172−144−1)+6]−9

=78−(28−1+6)−9

=78−(27+6)−9

=78−33−9

=45−9

=36

Explicação passo a passo: