Question

Quien me ayuda con el punto 3 por favor

Answer 1

5+[-(12÷4+(-3))×(18-(-60÷4))×(4+5×6-30)]=

=5+[-(3-3)×(18-(-15))×(4+30-30)]=

=5+[-(0×(18+15)×4)]=

=5+0=

=5

[(-8×6-(+5)×8-(-6÷-3))]÷[(9×10-9×9)÷3]=

=(-48-40-2)÷[(90-81)÷3]=

=(-90)÷(9÷3)=

=(-90)÷3=

=(-30)