Question

4{2[-6-(8+12+6)÷(7-2)+(-4-3)]+9-6}

Answer 1

=4{2[-6-(8+12+6)÷(7-2)+(-4-3)]+9-6}
Primero resuelve la suma dentro de los parentesis:
=4{2[-6-(26)÷(5)+(-7)]+9-6}
=4{2[-6-(26/5)-7)]+9-6}
=4{2[-91/5]+9-6}
=4{-182/5+9-6}
=4{-167/5}
=-668/5