Hello folks!

I'm with some doubts here:

The expression:

$\displaystyle (-1)^0 + (-6) : (-2) -2^4$

is ?

Here is the way I've tried...

$\displaystyle (-1)^0 + (-6) : (-2) -2^4$

$\displaystyle \underbrace{(-1)^0} + (-6) : (-2) \underbrace{-2^4}$

$\displaystyle 1 - 6 : -2 -16$

$\displaystyle -5 : -18$

But the result should be $\displaystyle -12$ !!!

Can you Help me please?

It seems so simple!