Question

quanto e 39:[5+(9-2×4)+7]=

Answer 1

Boa noite.

$39:[5+(9-2.4)+7] = 39:[5+(9-8)+7] = 39:[5+1+7] = 39:[13] = 3$

Bons estudos! :-)

Answer 2

39:[5+(9-8)+7]
39:[5+1+7]
39:13
3